Question

Q10. Find the least number which must be subtracted from 7581 to obtain a
perfect square.Also find, square root of the number so obtained.​

Answer 1

Answer:

12, square root = 87

Step-by-step explanation:

input √(7581) in your calculator,

you should be able to obtain 87.0689382, remove the decimal places

then calculate 87²,

87²=7569

It should be 7569, which is a perfect square

7581-7569=12

so the answer would be 12