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Question

Which one is the correct square root of 56.


A

214

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B

27

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C

none of these

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D

314

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Solution

The correct option is A

214


We have to find the square root of 56 but we know that 56 is not a perfect square.

We can express 56 in prime factorization form.

56=2×2×2×7

Taking square root on both sides, we get

56=2×2×2×756=22×756=214

Hence option A is the correct answer.


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