Loading http://wiki.math.se/jsMath/fonts/msam10/def.js
To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.
|
jsMath
Solution 3.3:4b
From Förberedande kurs i matematik 1
The two terms can be combined into one logarithmic expression using the log law
lga+lgb=lg
ab
.
\displaystyle \lg 23+\lg \frac{1}{23}=\lg 23\centerdot \frac{1}{23}=\lg 1=0