Question

вычислите производную функции f(x)=(x^4-1)*(x^4+1)

Answer 1

(x^4 - 1)'(x^4+1) + (x^4 - 1)(x^4 + 1)' = 4x^3(x^4+1) + (x^4-1)4x^3 = 4x^3 * 2X^4 = 8x^7