What is the derivative of y=x^{-4} ?

The derivative of y=x^{-4} is -4/(x^5)

What is the first derivative of y=x^{-4} ?

The first derivative of y=x^{-4} is -4/(x^5)

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derivative of

y = x^{- 4}

- \frac{4}{x ^{5}}

Solution steps

\frac{d}{d x} (x^{- 4})

Apply the Power Rule:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= - 4 x^{- 4 - 1}

Simplify

- 4 x^{- 4 - 1} : - \frac{4}{x ^{5}}

= - \frac{4}{x ^{5}}

What is the derivative of y=x^{-4} ?
The derivative of y=x^{-4} is -4/(x^5)
What is the first derivative of y=x^{-4} ?
The first derivative of y=x^{-4} is -4/(x^5)