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Question

Question 5 (iii)

For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also, find the square root of the square number so obtained:

1008

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Solution

1008=2×2×2×2×3×3×7

21008250422522126363321771

Here, prime factor 7 has no pair. Therefore 1008 must be multiplied by 7 to make it a perfect square.

1008×7=7056
And 7056=2×2×3×7=84


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