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What is the domain of the function

What is the domain of the function-example-1

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Answer:

The domain is the set of all real numbers.

Explanation:

We know:

The root with an odd degree is exist for any real number.

The root with an even degree is exist for any non-negative real number.

The domain:


\sqrt[n]{a}

is all real number if n is odd number.

is alle non-negative real number if n is even number.

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