Find the smallest integer n such that √(n + 99) – √n  < 1.


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    1. TG.Prabhat

      Hi Surbhi.

      49 < √nThis means that n^2>49^2

      The smallest integer greater than 49^2 is arrived at by adding 1 to 49^2.

      That’s why we add 1 to 2401.

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