Editor
The derivative of $\frac{1}{x^{m}}$ is
Difficulty: Easy
A: 
$\frac{x^{m+1}}{m}$
B: 
$m(x)^{m-1}$
C: 
$(m-1)x^{-m}$
D: 
$-\frac{m}{x^{m+1}}$
Sponsored Ads