The $n^{t h}$ root of any positive number $a$ can be written as

a^{n}

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a^{1 / n}

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\sqrt[n]{a^{n}}

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n \times a

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Solution

The correct option is B $a^{1 / n}$
$n^{t h}$ root of any positive interger $a$ is written as $a^{1 / n}$ or $\sqrt[n]{a}$ .

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The nth root of any positive number a can be written as

The correct option is B a1/n nth root of any positive interger a is written as a1/n or n√a.

The $n^{t h}$ root of any positive number $a$ can be written as

The correct option is B $a^{1 / n}$
$n^{t h}$ root of any positive interger $a$ is written as $a^{1 / n}$ or $\sqrt[n]{a}$ .