3.3 Övningar
Sommarmatte 1
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Versionen från 29 april 2007 kl. 12.44 (redigera) Ossiang (Diskussion | bidrag) (→Övning 3.3:1) ← Gå till föregående ändring |
Nuvarande version (31 maj 2007 kl. 07.02) (redigera) (ogör) KTH.SE:u1rp004j (Diskussion | bidrag) |
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(19 mellanliggande versioner visas inte.) | |||
Rad 1: | Rad 1: | ||
+ | |||
==Övning 3.3:1== | ==Övning 3.3:1== | ||
<div class="ovning"> | <div class="ovning"> | ||
- | Bestäm x om | + | Bestäm $\,x\,$ om |
<table width="100%" cellspacing="10px"> | <table width="100%" cellspacing="10px"> | ||
- | <tr><td height="5px"/></tr> | ||
<tr align="left"> | <tr align="left"> | ||
<td class="ntext">a)</td> | <td class="ntext">a)</td> | ||
- | <td class="ntext">10^x=1\,000</td> | + | <td class="ntext" width="50%">10^x=1\,000</td> |
<td class="ntext">b)</td> | <td class="ntext">b)</td> | ||
- | <td class="ntext">10^x=0,1</td> | + | <td class="ntext" width="50%">$10^x=0{,}1$</td> |
+ | </tr> | ||
+ | <tr align="left"> | ||
<td class="ntext">c)</td> | <td class="ntext">c)</td> | ||
- | <td class="ntext">\displaystyle \frac{1}{10^x}=100</td> | + | <td class="ntext" width="50%">\displaystyle \frac{1}{10^x}=100</td> |
<td class="ntext">d)</td> | <td class="ntext">d)</td> | ||
- | <td class="ntext">\displaystyle \frac{1}{10^x}=0,000\,1</td> | + | <td class="ntext" width="50%">$\displaystyle \frac{1}{10^x}=0{,}000\,1$</td> |
</tr> | </tr> | ||
<tr><td height="5px"/></tr> | <tr><td height="5px"/></tr> | ||
Rad 21: | Rad 23: | ||
<div class=NavHead>Facit </div> | <div class=NavHead>Facit </div> | ||
<div class=NavContent> | <div class=NavContent> | ||
- | Facit till alla delfrågorna<br \> | + | Facit till alla delfrågor |
<table width="100%" cellspacing="10px"> | <table width="100%" cellspacing="10px"> | ||
- | <tr><td height="5px"/></tr> | ||
<tr align="left"> | <tr align="left"> | ||
<td class="ntext">a)</td> | <td class="ntext">a)</td> | ||
- | <td class="ntext">x=3</td> | + | <td class="ntext" width="50%">x=3</td> |
<td class="ntext">b)</td> | <td class="ntext">b)</td> | ||
- | <td class="ntext">x=-1</td> | + | <td class="ntext" width="50%">x=-1</td> |
+ | </tr> | ||
+ | <tr align="left"> | ||
<td class="ntext">c)</td> | <td class="ntext">c)</td> | ||
- | <td class="ntext">x=-2</td> | + | <td class="ntext" width="50%">x=-2</td> |
<td class="ntext">d)</td> | <td class="ntext">d)</td> | ||
- | <td class="ntext">x=4</td> | + | <td class="ntext" width="50%">x=4</td> |
</tr> | </tr> | ||
<tr><td height="5px"/></tr> | <tr><td height="5px"/></tr> | ||
Rad 40: | Rad 43: | ||
<div class=NavFrame style="CLEAR: both"> | <div class=NavFrame style="CLEAR: both"> | ||
- | <div class=NavHead>Lösning </div> | + | <div class=NavHead>Lösning a) </div> |
<div class=NavContent> | <div class=NavContent> | ||
- | Lösning till delfråga <br \>[[Bild:]] | + | Lösning till delfråga a) |
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_1a.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_1b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_1c.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning d) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga d) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_1d.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
</div> | </div> | ||
</div> | </div> | ||
Rad 49: | Rad 104: | ||
<div class="ovning"> | <div class="ovning"> | ||
+ | Beräkna | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="25%">\lg{ 0{,}1}</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="25%">\lg{ 10\,000}</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="25%">\lg {0{,}001}</td> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="25%">\lg {1}</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="25%">10^{\lg{2}}</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="25%">\lg{10^3}</td> | ||
+ | <td class="ntext">g)</td> | ||
+ | <td class="ntext" width="25%">10^{-\lg{0{,}1}}</td> | ||
+ | <td class="ntext">h)</td> | ||
+ | <td class="ntext" width="25%">\lg{\displaystyle \frac{1}{10^2}}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Facit </div> | ||
+ | <div class=NavContent> | ||
+ | Facit till alla delfrågor | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="25%">-1</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="25%">4</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="25%">-3</td> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="25%">0</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="25%">2</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="25%">3</td> | ||
+ | <td class="ntext">g)</td> | ||
+ | <td class="ntext" width="25%">10</td> | ||
+ | <td class="ntext">h)</td> | ||
+ | <td class="ntext" width="25%">-2</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2a.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2c.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning d) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga d) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2d.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning e) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga e) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2e.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning f) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga f) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2f.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning g) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga g) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2g.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning h) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga h) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_2h.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | ==Övning 3.3:3== | ||
+ | |||
+ | <div class="ovning"> | ||
+ | Beräkna | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">\log_2{8}</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">\log_9{\displaystyle \frac{1}{3}}</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">\log_2{0{,}125}</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="33%">\log_3{\left(9\cdot3^{1/3}\right)}</td> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="33%">2^{\log_{\scriptstyle2}{4}}</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="33%">\log_2{4}+\log_2{\displaystyle \frac{1}{16}}</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">g)</td> | ||
+ | <td class="ntext" width="33%">\log_3{12}-\log_3{4}</td> | ||
+ | <td class="ntext">h)</td> | ||
+ | <td class="ntext" width="33%">\log_a{\bigl(a^2\sqrt{a}\,\bigr)}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
</div> | </div> | ||
Rad 55: | Rad 306: | ||
<div class=NavHead>Facit </div> | <div class=NavHead>Facit </div> | ||
<div class=NavContent> | <div class=NavContent> | ||
- | Facit till alla delfrågorna<br \> | + | Facit till alla delfrågor |
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">3</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">$-\displaystyle \frac{1}{2}$</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">-3</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="33%">\displaystyle \frac{7}{3}</td> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="33%">4</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="33%">-2</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">g)</td> | ||
+ | <td class="ntext" width="33%">1</td> | ||
+ | <td class="ntext">h)</td> | ||
+ | <td class="ntext" width="33%">\displaystyle \frac{5}{2}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3a.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
</div> | </div> | ||
</div> | </div> | ||
<div class=NavFrame style="CLEAR: both"> | <div class=NavFrame style="CLEAR: both"> | ||
- | <div class=NavHead>Lösning </div> | + | <div class=NavHead>Lösning b) </div> |
<div class=NavContent> | <div class=NavContent> | ||
- | Lösning till delfråga <br \>[[Bild:]] | + | Lösning till delfråga b) |
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3c.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning d) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga d) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3d.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning e) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga e) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3e.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning f) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga f) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3f.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning g) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga g) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3g.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning h) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga h) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_3h.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | ==Övning 3.3:4== | ||
+ | |||
+ | <div class="ovning"> | ||
+ | Förenkla | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">$\lg{50}-\lg{5}$</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">\lg{23}+\lg{\displaystyle \frac{1}{23}}</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">\lg{27^{1/3}}+\displaystyle \frac{\lg{3}}{2}+\lg{\displaystyle \frac{1}{9}}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Facit </div> | ||
+ | <div class=NavContent> | ||
+ | Facit till alla delfrågor | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">1</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">0</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">-\displaystyle \frac{1}{2}\lg{3}</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_4a.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_4b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_4c.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | ==Övning 3.3:5== | ||
+ | |||
+ | <div class="ovning"> | ||
+ | Förenkla | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">\ln{e^3}+\ln{e^2}</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">\ln{8}-\ln{4}-\ln{2}</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">(\ln{1})\cdot e^2</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="33%">\ln{e}-1</td> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="33%">\ln{\displaystyle \frac{1}{e^2}}</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="33%">\left(e^{\ln{e}}\right)^2</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Facit </div> | ||
+ | <div class=NavContent> | ||
+ | Facit till alla delfrågor | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="33%">5</td> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="33%">0</td> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="33%">0</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">d)</td> | ||
+ | <td class="ntext" width="33%">0</td> | ||
+ | <td class="ntext">e)</td> | ||
+ | <td class="ntext" width="33%">-2</td> | ||
+ | <td class="ntext">f)</td> | ||
+ | <td class="ntext" width="33%">e^2</td> | ||
+ | </tr> | ||
+ | <tr><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5a.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5c.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning d) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga d) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5d.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning e) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga e) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5e.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning f) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga f) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_5f.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | ==Övning 3.3:6== | ||
+ | |||
+ | <div class="ovning"> | ||
+ | [[Bild:miniraknare.gif||right]] | ||
+ | Använd miniräknaren till höger för att beräkna med tre decimaler (Knappen <tt>LN</tt> betecknar den naturliga logaritmen i basen ''e''): | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="100%">\log_3{4}</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="100%">\lg{46}</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="100%">\log_3{\log_2{(3^{118})}}</td> | ||
+ | </tr> | ||
+ | <tr align="left"><td height="40px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Facit </div> | ||
+ | <div class=NavContent> | ||
+ | Facit till alla delfrågor | ||
+ | <table width="100%" cellspacing="10px"> | ||
+ | <tr align="left"><td height="5px"/></tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">a)</td> | ||
+ | <td class="ntext" width="100%">1{,}262</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">b)</td> | ||
+ | <td class="ntext" width="100%">1{,}663</td> | ||
+ | </tr> | ||
+ | <tr align="left"> | ||
+ | <td class="ntext">c)</td> | ||
+ | <td class="ntext" width="100%">4{,}762</td> | ||
+ | </tr> | ||
+ | <tr align="left"><td height="5px"/></tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning a) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga a) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_6a-1(2).gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_6a-2(2).gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning b) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga b) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_6b.gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
+ | </div> | ||
+ | </div> | ||
+ | |||
+ | <div class=NavFrame style="CLEAR: both"> | ||
+ | <div class=NavHead>Lösning c) </div> | ||
+ | <div class=NavContent> | ||
+ | Lösning till delfråga c) | ||
+ | <table width="100%"> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_6c-1(2).gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | <tr> | ||
+ | <td align="center"> | ||
+ | [[Bild:3_3_6c-2(2).gif]] | ||
+ | </td> | ||
+ | </tr> | ||
+ | </table> | ||
</div> | </div> | ||
</div> | </div> |
Nuvarande version
Innehåll[göm] |
[redigera] Övning 3.3:1
Bestäm \,x\, om
a) | 10^x=1\,000 | b) | 10^x=0{,}1 |
c) | \displaystyle \frac{1}{10^x}=100 | d) | \displaystyle \frac{1}{10^x}=0{,}000\,1 |
Facit
Facit till alla delfrågor
a) | x=3 | b) | x=-1 |
c) | x=-2 | d) | x=4 |
[redigera] Övning 3.3:2
Beräkna
a) | \lg{ 0{,}1} | b) | \lg{ 10\,000} | c) | \lg {0{,}001} | d) | \lg {1} |
e) | 10^{\lg{2}} | f) | \lg{10^3} | g) | 10^{-\lg{0{,}1}} | h) | \lg{\displaystyle \frac{1}{10^2}} |
Facit
Facit till alla delfrågor
a) | -1 | b) | 4 | c) | -3 | d) | 0 |
e) | 2 | f) | 3 | g) | 10 | h) | -2 |
[redigera] Övning 3.3:3
Beräkna
a) | \log_2{8} | b) | \log_9{\displaystyle \frac{1}{3}} | c) | \log_2{0{,}125} |
d) | \log_3{\left(9\cdot3^{1/3}\right)} | e) | 2^{\log_{\scriptstyle2}{4}} | f) | \log_2{4}+\log_2{\displaystyle \frac{1}{16}} |
g) | \log_3{12}-\log_3{4} | h) | \log_a{\bigl(a^2\sqrt{a}\,\bigr)} | ||
Facit
Facit till alla delfrågor
a) | 3 | b) | -\displaystyle \frac{1}{2} | c) | -3 |
d) | \displaystyle \frac{7}{3} | e) | 4 | f) | -2 |
g) | 1 | h) | \displaystyle \frac{5}{2} | ||
[redigera] Övning 3.3:4
Förenkla
a) | \lg{50}-\lg{5} | b) | \lg{23}+\lg{\displaystyle \frac{1}{23}} | c) | \lg{27^{1/3}}+\displaystyle \frac{\lg{3}}{2}+\lg{\displaystyle \frac{1}{9}} |
Facit
Facit till alla delfrågor
a) | 1 | b) | 0 | c) | -\displaystyle \frac{1}{2}\lg{3} |
[redigera] Övning 3.3:5
Förenkla
a) | \ln{e^3}+\ln{e^2} | b) | \ln{8}-\ln{4}-\ln{2} | c) | (\ln{1})\cdot e^2 |
d) | \ln{e}-1 | e) | \ln{\displaystyle \frac{1}{e^2}} | f) | \left(e^{\ln{e}}\right)^2 |
Facit
Facit till alla delfrågor
a) | 5 | b) | 0 | c) | 0 |
d) | 0 | e) | -2 | f) | e^2 |
[redigera] Övning 3.3:6
Använd miniräknaren till höger för att beräkna med tre decimaler (Knappen LN betecknar den naturliga logaritmen i basen e):
a) | \log_3{4} |
b) | \lg{46} |
c) | \log_3{\log_2{(3^{118})}} |
Facit
Facit till alla delfrågor
a) | 1{,}262 |
b) | 1{,}663 |
c) | 4{,}762 |