Question

find the least number which must be subtracted from 7581 to obtain a perfect square this perfect square and it's square



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Answer 1

By finding the square root of 7581 (which is not a perfect square) by division method , we get:87.06 (approx).

Nearest whole number=87.

Square of 87=87*87=7569.

The difference between 7581 and 7569=7581-7569

=12.

Therefore, to make it a perfect square , 12 should be subtracted from it.Then it becomes the square of 87.

This perfect square is 87*87=7569.

Square root of this perfect square=√7569=+87 or -87.

Ans:The perfect square is 7569 and this is the square of +87 or -87.

Answer 2

Step-by-step explanation:

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$\text { This is Sweety Adihya }$❤️

√7581≈87.1

By round off the number - 87

(87)²=7569

Now,.

7581-7569=12

√7581=±87

Hope it will help you

@ Sweety Adihya

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