Question

Помогите найти производную y=(x-1)(x³-2x+1)

Answer 1

$y=(x-1)(x^3-2x+1) = x^4 -2x^2 +x-x^3+2x-1$

$y' = (x^4-x^3+3x-1)'=4x^3 - 3x^2+3$