What is the derivative of f(x)= 1/(x^3) ?

The derivative of f(x)= 1/(x^3) is -3/(x^4)

What is the first derivative of f(x)= 1/(x^3) ?

The first derivative of f(x)= 1/(x^3) is -3/(x^4)

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derivative of

f (x) = \frac{1}{x ^{3}}

- \frac{3}{x ^{4}}

Solution steps

\frac{d}{d x} (\frac{1}{x ^{3}})

Apply exponent rule:

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

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

Apply the Power Rule:

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

= - 3 x^{- 3 - 1}

Simplify

- 3 x^{- 3 - 1} : - \frac{3}{x ^{4}}

= - \frac{3}{x ^{4}}

(- 1, 1)

f (x) = 9 x + 5, at x = 7

f (x) = \frac{4}{x ^{2}}

3 x^{2}

f (x) = x, at x = 4

What is the derivative of f(x)= 1/(x^3) ?
The derivative of f(x)= 1/(x^3) is -3/(x^4)
What is the first derivative of f(x)= 1/(x^3) ?
The first derivative of f(x)= 1/(x^3) is -3/(x^4)