What is (\partial)/(\partial x)((x^2)^{-1/2}) ?

The answer to (\partial)/(\partial x)((x^2)^{-1/2}) is -1/(x^2)

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(\partial)/(\partial x)((x^2)^{-1/2})

\frac{\partial}{\partial x} ((x^{2})^{- \frac{1}{2}})

- \frac{1}{x ^{2}}

Solution steps

\frac{\partial}{\partial x} ((x^{2})^{- \frac{1}{2}})

Apply the chain rule:

- \frac{1}{2 ( x ^{2} ) ^{\frac{3}{2}}} \frac{\partial}{\partial x} (x^{2})

= - \frac{1}{2 ( x ^{2} ) ^{\frac{3}{2}}} \frac{\partial}{\partial x} (x^{2})

\frac{\partial}{\partial x} (x^{2}) = 2 x

= - \frac{1}{2 ( x ^{2} ) ^{\frac{3}{2}}} \cdot 2 x

Simplify

- \frac{1}{2 ( x ^{2} ) ^{\frac{3}{2}}} \cdot 2 x : - \frac{1}{x ^{2}}

= - \frac{1}{x ^{2}}

What is (\partial)/(\partial x)((x^2)^{-1/2}) ?
The answer to (\partial)/(\partial x)((x^2)^{-1/2}) is -1/(x^2)