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

The derivative of f(x)= 1/x is -1/(x^2)

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

The first derivative of f(x)= 1/x is -1/(x^2)

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derivative of

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

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

Solution steps

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

Apply exponent rule:

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

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

Apply the Power Rule:

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

= - 1 \cdot x^{- 1 - 1}

Simplify

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

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

(17.1) (- 2.8)

0

sec (x) tan (x)

f (x) = \frac{x}{x + 1}

(6.5) (2.7)

What is the derivative of f(x)= 1/x ?
The derivative of f(x)= 1/x is -1/(x^2)
What is the first derivative of f(x)= 1/x ?
The first derivative of f(x)= 1/x is -1/(x^2)