engineering recuitment GATE ECE 2023-24 Test Series General Aptitude Numerical Ability Numerical Computation
Find the sum of the expression
\(\frac{1}{{\sqrt 1 + \sqrt 2 }} + \frac{1}{{ {\sqrt2 + \sqrt 3 } }} + \frac{1}{{\sqrt 3 + \sqrt 4 }} + \ldots + \frac{1}{{\sqrt {80} + \sqrt {81} }}\)
1
7
2
8
3
9
4
10