Question

Найдите производную функции:
$y = x^{7} + 2 x^{5} + frac{4}{x}$

Answer 1

$y = x^{7} + 2 x^{5} + frac{4}{x} \ \ y'=7x^6+10x^4- frac{4}{x^2}$

Answer 2

$y = x^{7} + 2 x^{5} + frac{4}{x} \y'=(x^{7} )'+ (2 x^{5})' + (frac{4}{x} )'=7x^6+2*5x^4+4* (frac{1}{x} )'=7x^6+10x^4- frac{4}{x^2}$