Question

найдите производную функции f(x)= (1-x)cos(x) - 6√x

Answer 1

Ответ:

f`(x)= ((1-x)cosx)`-(6√x)`

f`(x)= (1-x)`cosx + (cosx)`(1-x) - (6√x)`

f`(x)= -cosx - sinx(1-x) - 3/√x