Question

Find the derivative;

y= x^3(5x-1)^4


So this is my answer

y'=2x(5x-1)^3 + 10x + x(5x-1)

Please correct me if my answer is wrong.

Answer 1

y'=3x^2(5x-1)^4 + 4x^3(5x-1)^3 *5