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