Simplify square root of 49/50

$\sqrt{\frac{49}{50}}$

Step 1

Rewrite $\sqrt{\frac{49}{50}}$ as $\frac{\sqrt{49}}{\sqrt{50}}$ .

$\frac{\sqrt{49}}{\sqrt{50}}$

Step 2

Simplify the numerator.

Rewrite $49$ as $7^{2}$ .

$\frac{\sqrt{7^{2}}}{\sqrt{50}}$

Pull terms out from under the radical, assuming positive real numbers.

$\frac{7}{\sqrt{50}}$

Step 3

Simplify the denominator.

Rewrite $50$ as $5^{2} \cdot 2$ .

Factor $25$ out of $50$ .

$\frac{7}{\sqrt{25 (2)}}$

Rewrite $25$ as $5^{2}$ .

$\frac{7}{\sqrt{5^{2} \cdot 2}}$

Pull terms out from under the radical.

$\frac{7}{5 \sqrt{2}}$

Step 4

Multiply $\frac{7}{5 \sqrt{2}}$ by $\frac{\sqrt{2}}{\sqrt{2}}$ .

$\frac{7}{5 \sqrt{2}} \cdot \frac{\sqrt{2}}{\sqrt{2}}$

Step 5

Combine and simplify the denominator.

Multiply $\frac{7}{5 \sqrt{2}}$ by $\frac{\sqrt{2}}{\sqrt{2}}$ .

$\frac{7 \sqrt{2}}{5 \sqrt{2} \sqrt{2}}$

Move $\sqrt{2}$ .

$\frac{7 \sqrt{2}}{5 (\sqrt{2} \sqrt{2})}$

Raise $\sqrt{2}$ to the power of $1$ .

$\frac{7 \sqrt{2}}{5 ({\sqrt{2}}^{1} \sqrt{2})}$

Raise $\sqrt{2}$ to the power of $1$ .

$\frac{7 \sqrt{2}}{5 ({\sqrt{2}}^{1} {\sqrt{2}}^{1})}$

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

$\frac{7 \sqrt{2}}{5 {\sqrt{2}}^{1 + 1}}$

Add $1$ and $1$ .

$\frac{7 \sqrt{2}}{5 {\sqrt{2}}^{2}}$

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

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

$\frac{7 \sqrt{2}}{5 {(2^{\frac{1}{2}})}^{2}}$

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

$\frac{7 \sqrt{2}}{5 \cdot 2^{\frac{1}{2} \cdot 2}}$

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

$\frac{7 \sqrt{2}}{5 \cdot 2^{\frac{2}{2}}}$

Cancel the common factor of $2$ .

Cancel the common factor.

$\frac{7 \sqrt{2}}{5 \cdot 2^{\frac{2}{2}}}$

Rewrite the expression.

$\frac{7 \sqrt{2}}{5 \cdot 2^{1}}$

Evaluate the exponent.

$\frac{7 \sqrt{2}}{5 \cdot 2}$

Step 6

Multiply $5$ by $2$ .

$\frac{7 \sqrt{2}}{10}$

Step 7

The result can be shown in multiple forms.

Exact Form:

$\frac{7 \sqrt{2}}{10}$

Decimal Form:

$0.98994949 \dots$

Simplify square root of 49/50

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