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Determine the value of 1/(sqrt(1)+sqr...

Determine the value of `1/(sqrt(1)+sqrt(2))+1/(sqrt(2)+sqrt(3))+1/(sqrt(3)+sqrt(4))+\ ddot+1/(sqrt(120)+sqrt(121))` (a) 8 (b) 10 (c) `sqrt(120)` (d) `12sqrt(2)`

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