Question

AJUTATIMA VA ROG rezolvati in R ecuatia
1 2
— = —
x-1 x+1

Answer 1

$\rm \frac{1}{x-1}= \frac{2}{x+1} \\ \\ Produsul~mezilor~cu~al~extremilor: \\ \\ 2(x-1)=x+1 \\ \\ x+1=2x-2 \\ \\ 2x-x=1+2 \\ \\ \bold{x=3}$