Question

Найдите производную функции
y=8-5x^4+7\6x^6

Answer 1

$f(x)=(8-5x^4+ \frac{7}{6} * x^6) =\\ =(8-5*x^4)+(\frac{7}{6}*x^6)= \\ =-(5*x^4)+\frac{7}{6}*(x^6)= \\ -5*(x^4)+\frac{7}{6}*6*x^5= \\ =-20x^3+\frac{7}{6}*6*x^5=-20x^3+7x^5$