kramtus51

2021-12-17

Please, find the derivative of $\frac{1}{{x}^{2}}$ .

Esther Phillips

Beginner2021-12-18Added 34 answers

Let $y=\frac{1}{{x}^{2}}$ which is the same as $x}^{-2$

$\frac{dy}{dx}=-2\times {x}^{-2-1}=-2{x}^{-3}$

$\frac{dy}{dx}=-\frac{2}{{x}^{-3}}$

Alex Sheppard

Beginner2021-12-19Added 36 answers

Apply the Power Rule:

RizerMix

Expert2021-12-29Added 656 answers

Use the formula:

If f(x)=1, you have f'(x)=0 and you get:

Since

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