What is a square root of a square usually?

The fourth root of that number.

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The reciprocal of that number.

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The cube root of that number.

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The number itself.

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Solution

The correct option is D
The number itself.

Square root of a square number is a number itself. According to the concept square root and square gets cancelled, and what remains is the original number.

Example: $\sqrt{(} 8^{2})$ = 8 (The square root and square gets cancelled)

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Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

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Question 2
Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

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What is a square root of a square usually?

The correct option is D The number itself. Square root of a square number is a number itself. According to the concept square root and square gets cancelled, and what remains is the original number. Example: √(82) = 8 (The square root and square gets cancelled)

The correct option is D
The number itself.

Square root of a square number is a number itself. According to the concept square root and square gets cancelled, and what remains is the original number.

Example: $\sqrt{(} 8^{2})$ = 8 (The square root and square gets cancelled)