Найти производную y=(5-4x^3)^4

Question

Найти производную
y=(5-4x^3)^4

Answer 1

Y=4(5-4x)^3*(5-4x^3)"=4(5-4x)^3*(-12x^2)

Answer 2

4*(5-4x^3)^3*(-12x^2)=-48x^2*(5-4x^3)^3