Question

Qual o resultado do produto x2-2ax+a2

Answer 1

$\frac{d}{dx}\left(x\cdot \:2-2ax+a\cdot \:2\right)\\\\=\frac{d}{dx}\left(x\cdot \:2\right)-\frac{d}{dx}\left(2ax\right)+\frac{d}{dx}\left(a\cdot \:2\right)\\\\=2-2a+0\\\\=-2a+2$