Calculus Examples

$\frac{1}{5 x^{6}}$

Step 1

Since $\frac{1}{5}$ is constant with respect to $x$ , the derivative of $\frac{1}{5 x^{6}}$ with respect to $x$ is $\frac{1}{5} \frac{d}{d x} [\frac{1}{x^{6}}]$ .

$\frac{1}{5} \frac{d}{d x} [\frac{1}{x^{6}}]$

Step 2

Apply basic rules of exponents.

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Step 2.1

Rewrite $\frac{1}{x^{6}}$ as ${(x^{6})}^{- 1}$ .

$\frac{1}{5} \frac{d}{d x} [{(x^{6})}^{- 1}]$

Step 2.2

Multiply the exponents in ${(x^{6})}^{- 1}$ .

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Step 2.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{1}{5} \frac{d}{d x} [x^{6 \cdot - 1}]$

Step 2.2.2

Multiply $6$ by $- 1$ .

$\frac{1}{5} \frac{d}{d x} [x^{- 6}]$

Step 3

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = - 6$ .

$\frac{1}{5} (- 6 x^{- 7})$

Step 4

Combine fractions.

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Step 4.1

Combine $- 6$ and $\frac{1}{5}$ .

$\frac{- 6}{5} x^{- 7}$

Step 4.2

Combine $\frac{- 6}{5}$ and $x^{- 7}$ .

$\frac{- 6 x^{- 7}}{5}$

Step 4.3

Simplify the expression.

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Step 4.3.1

Move $x^{- 7}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{- 6}{5 x^{7}}$

Step 4.3.2

Move the negative in front of the fraction.

$- \frac{6}{5 x^{7}}$