Question

Se A=1/x+1 e B= x/x²-x qual o valor de a+b

Answer 1

A+B

1/x+1 + x/x²-x

(1(x+1) + 1(x+1)) / (x/x²-x)x/x²-x)

(2x+2) / (x^2+2x+1)

(2x³-2x²)/(x^4-2x³+x²)