What is the derivative of-(20/(x^3)) ?

The derivative of-(20/(x^3)) is (60)/(x^4)

What is the first derivative of-(20/(x^3)) ?

The first derivative of-(20/(x^3)) is (60)/(x^4)

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\frac{d}{d x} (- \frac{20}{x ^{3}})

\frac{60}{x ^{4}}

Solution steps

\frac{d}{d x} (- \frac{20}{x ^{3}})

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= - 20 \frac{d}{d x} (\frac{1}{x ^{3}})

Apply exponent rule:

\frac{1}{a} = a^{- 1}

= - 20 \frac{d}{d x} (x^{- 3})

Apply the Power Rule:

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

= - 20 (- 3 x^{- 3 - 1})

Simplify

- 20 (- 3 x^{- 3 - 1}) : \frac{60}{x ^{4}}

= \frac{60}{x ^{4}}

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What is the derivative of-(20/(x^3)) ?
The derivative of-(20/(x^3)) is (60)/(x^4)
What is the first derivative of-(20/(x^3)) ?
The first derivative of-(20/(x^3)) is (60)/(x^4)