Question

Find the least number which must be subtracted from 7581 to obtain a perfect square find this perfect square and square root 2​

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.

Hope it helps

Pls mark as brainliest

Thank u

Answer 2

Answer: 13

Step-by-step explanation:

By long division method we found that

7581-y=87²

7581-y=7569

7581-7568=y

y=12

Therefore, 12 is the smallest number which should be subtracted from 7581 to make it as a perfect square.