Question

найдите производную функции y=5x^2*cosx

Answer 1

$5x {}^{2} times cos(x) + 5x {}^{2} times cos(x) \ 5 times 2x times cos(x) + 5x {}^{2} times ( - sin(x) ) \ 10x times cos(x) - 5x {}^{2} times sin(x)$