Calculus Examples

$\frac{1}{\sqrt{x}} - 5$

Step 1

Split the single integral into multiple integrals.

$\int \frac{1}{\sqrt{x}} d x + \int - 5 d x$

Step 2

Apply basic rules of exponents.

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Step 2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{x}$ as $x^{\frac{1}{2}}$ .

$\int \frac{1}{x^{\frac{1}{2}}} d x + \int - 5 d x$

Step 2.2

Move $x^{\frac{1}{2}}$ out of the denominator by raising it to the $- 1$ power.

$\int {(x^{\frac{1}{2}})}^{- 1} d x + \int - 5 d x$

Step 2.3

Multiply the exponents in ${(x^{\frac{1}{2}})}^{- 1}$ .

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Step 2.3.1

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

$\int x^{\frac{1}{2} \cdot - 1} d x + \int - 5 d x$

Step 2.3.2

Combine $\frac{1}{2}$ and $- 1$ .

$\int x^{\frac{- 1}{2}} d x + \int - 5 d x$

Step 2.3.3

Move the negative in front of the fraction.

$\int x^{- \frac{1}{2}} d x + \int - 5 d x$

Step 3

By the Power Rule, the integral of $x^{- \frac{1}{2}}$ with respect to $x$ is $2 x^{\frac{1}{2}}$ .

$2 x^{\frac{1}{2}} + C + \int - 5 d x$

Step 4

Apply the constant rule.

$2 x^{\frac{1}{2}} + C - 5 x + C$

Step 5

Simplify.

$2 x^{\frac{1}{2}} - 5 x + C$