Question

Ajuda nessa equação vale 15 pts 2/1+x + 1/(1 + x)²= 1

Answer 1

2/1+x+1/(1+x)^2=1
2+x+1/(1+x)^2=1
x+1/(1+x)^2=1-2
x+1/(2x)^2=-1
x+1/2x=raiz quadrada de -1
x+1/2x=-1
x+2x=-1.1
x+2x=-1
3x=-1
x=-1/3
 ou vc termina a conta assim ou coloca: x=-0,3333333...