Question

Найти производную функции y=3x^4+2/x

Answer 1

$y=3 x^{4}+ frac{2}{x}$
$y'=3*4 x^{4-1}+ (2x^{-1})'= 12 x^{3}+2*(-1) x^{-2} =12 x^{3}- frac{2}{x^2}$

Answer 2

y=3x^4+2/x
y'=12x^3-2/x^2
производная (x^n)'=n*x^(n-1)
(1/x)' = -1/x^2