2.2 Övningar
Sommarmatte 1
Övning 2.2:1
Lös ekvationerna
a) | $\displaystyle\{x}-\displaystyle\frac{x+2}{9}=\displaystyle\frac{1}{2}$ | $\textrm{b) }$ | $\displaystyle\frac{8x+3}{7}-\displaystyle\frac{5x-7}{4}=2$ |
$\textrm{c) }$ | $(x+3)^2-(x-5)^2=6x+4$ | $\textrm{d) }$ | $(x^2+4x+1)^2+3x^4-2x^2=(2x^2+2x+3)^2$ |
$\textrm{e) }$ | $\displaystyle\frac{x+3}{x-3}-\displaystyle\frac{x+5}{x-2}=0$ | $\textrm{f) }$ | $\displaystyle\frac{4x}{4x-7}-\displaystyle\frac{1}{2x-3}=1$ |
Facit
Facit till alla delfrågorna