Question

what will be the smallest number which when added to the sum of the squares of 9 and 10 gives a perfect square?

Answer 1

15

Explanation:

15 must be added to the sum of squares of 9 to 10 gives a perfect square.

Answer 2

`(10 {}^(2)) + (9 {}^(2)) = 181`

`181 + 15 = 196`

`√(196) = 14`

Hope that helps