Question

y=x-1/x^2 regra do quociente ... pf

Answer 1

(u/v)' = u'v - uv' / v²

u = x-1
u' = x

v = x²
v' = 2x

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Y = (x-1) / x²

Y' = [(x*x²)-(x-1)*2x] / (x²)²

Y' = [x³-(2x²-2x)] / x^4

Y' = (x³-2x²-2x) / x^4

Y' = [x(x²-2x-2)] / x^4

Y' = (x²-2x-2) / x³