Simplify ( square root of 2)^2

${(\sqrt{2})}^{2}$

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

${(2^{\frac{1}{2}})}^{2}$

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

$2^{\frac{1}{2} \cdot 2}$

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

$2^{\frac{2}{2}}$

Cancel the common factor of $2$ .

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Cancel the common factor.

$2^{\frac{2}{2}}$

Divide $1$ by $1$ .

$2^{1}$

Evaluate the exponent.

$2$

Simplify ( square root of 2)^2

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