Question

Найдите производную функции:


1)$2x^{2}$+x

Answer 1

$\frac{d}{dx}\left(2x^2+x\right)=\\\\=\frac{d}{dx}\left(2x^2\right)+\frac{d}{dx}\left(x\right)=\\\\=2\cdot \:2x^{2-1}+1=\\\\=4x+1$