Question

what should be subtracted in 1728 so it become perfect square?
ans me fast with explanation ​

Answer 1

The nearest perfect square number from 1728 is 1764 ( square of 42). ∴ The least number which must be added to 1728 to make it a perfect square is 36...

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Answer 2

$\large{\text{\red{A}}}{\text{\orange{N}}{\text{\green{S}}{\text{\purple{W}}{\text{\blue{E}}{\text{\pink{R}}{\text{\gray{:-}}}}}}}}$

$\sf{\blue{41}}$

$\large{\red{\fbox{Explanation:-}}}$

On calculating 1728 we get, remainder as 47.

Hence, 47 must be subtracted from 1989 to get a perfect square.

1728 - 47 = 1681

and √1681 = 41