Calculus Examples

$\frac{12}{x}$

Step 1

Since $12$ is constant with respect to $x$ , the derivative of $\frac{12}{x}$ with respect to $x$ is $12 \frac{d}{d x} [\frac{1}{x}]$ .

$12 \frac{d}{d x} [\frac{1}{x}]$

Step 2

Rewrite $\frac{1}{x}$ as $x^{- 1}$ .

$12 \frac{d}{d x} [x^{- 1}]$

Step 3

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = - 1$ .

$12 (- x^{- 2})$

Step 4

Multiply $- 1$ by $12$ .

$- 12 x^{- 2}$

Step 5

Simplify.

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Step 5.1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$- 12 \frac{1}{x^{2}}$

Step 5.2

Combine terms.

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Step 5.2.1

Combine $- 12$ and $\frac{1}{x^{2}}$ .

$\frac{- 12}{x^{2}}$

Step 5.2.2

Move the negative in front of the fraction.

$- \frac{12}{x^{2}}$