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Question

should be multiplied to 1575 to make it a square number.

A
4
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B
5
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C
6
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D
7
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Solution

The correct option is D 7

Prime factorization of 1575:
5157553153633217

1575=5×5––––×3×3––––×7 In pair In pair Not in pair

So to make it a perfect square, we need to multiply 1575 with 7.


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