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Rational Indices

Simplify the ...

Question

Simplify the expression $(a^{n})^{\frac{2}{n}}$ .

A

a^{2}

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B

a^{3}

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C

a^{4}

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D

a

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Solution

The correct option is A $a^{2}$
$(a^{n})^{\frac{2}{n}} = a^{n \times \frac{2}{n}} = a^{2}$

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