Question

Rezolvati ecuatia:
X 1
----- = -----
X+1 X-1

Answer 1

$\frac{x}{x+1}= \frac{1}{x-1} \\ x^{2} -x-x-1=0;x \neq -1;x \neq 1 \\ x^{2} -2x-1=0$
Δ=4+4=8
x1=(2+2√2)/2=1+√2
x2=1-√2