Question

The first derivative dy/dx for the function y=-1/3x^6 is:

Answer 1

$y= \frac{-x^6}{3}$

$\frac{dy}{dx}=-2x^5$

Answer 2

$y=- \frac{1}{3} x^{6}$
$\frac{dy}{dx} =- \frac{d x^{6} }{dx 3}$
$\frac{dy}{dx}= -\frac{1}{3} 6 x^{5}$
$\frac{dy}{dx}=-2 x^{5}$