Finite Math Examples

$\sqrt{\frac{13}{3}}$

Step 1

Rewrite $\sqrt{\frac{13}{3}}$ as $\frac{\sqrt{13}}{\sqrt{3}}$ .

$\frac{\sqrt{13}}{\sqrt{3}}$

Step 2

Multiply to rationalize the numerator.

$\frac{\sqrt{13} \sqrt{13}}{\sqrt{3} \sqrt{13}}$

Step 3

Simplify.

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Step 3.1

Raise $\sqrt{13}$ to the power of $1$ .

$\frac{{\sqrt{13}}^{1} \sqrt{13}}{\sqrt{3} \sqrt{13}}$

Step 3.2

Raise $\sqrt{13}$ to the power of $1$ .

$\frac{{\sqrt{13}}^{1} {\sqrt{13}}^{1}}{\sqrt{3} \sqrt{13}}$

Step 3.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{{\sqrt{13}}^{1 + 1}}{\sqrt{3} \sqrt{13}}$

Step 3.4

Add $1$ and $1$ .

$\frac{{\sqrt{13}}^{2}}{\sqrt{3} \sqrt{13}}$

Step 3.5

Rewrite ${\sqrt{13}}^{2}$ as $13$ .

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Step 3.5.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{13}$ as $13^{\frac{1}{2}}$ .

$\frac{{(13^{\frac{1}{2}})}^{2}}{\sqrt{3} \sqrt{13}}$

Step 3.5.2

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

$\frac{13^{\frac{1}{2} \cdot 2}}{\sqrt{3} \sqrt{13}}$

Step 3.5.3

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

$\frac{13^{\frac{2}{2}}}{\sqrt{3} \sqrt{13}}$

Step 3.5.4

Cancel the common factor of $2$ .

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Step 3.5.4.1

Cancel the common factor.

$\frac{13^{\frac{2}{2}}}{\sqrt{3} \sqrt{13}}$

Step 3.5.4.2

Rewrite the expression.

$\frac{13^{1}}{\sqrt{3} \sqrt{13}}$

Step 3.5.5

Evaluate the exponent.

$\frac{13}{\sqrt{3} \sqrt{13}}$

Step 3.6

Combine using the product rule for radicals.

$\frac{13}{\sqrt{3 \cdot 13}}$

Step 3.7

Multiply $3$ by $13$ .

$\frac{13}{\sqrt{39}}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{13}{\sqrt{39}}$

Decimal Form:

$2.08166599 \dots$