The sum of the series `1/(sqrt1+sqrt2)+1/(sqrt2+sqrt3)+1/(sqrt3+sqrt4)+..............` up to `15` terms is

1/(sqrt3 + sqrt2) + 1/(sqrt3 -sqrt2)=

The sum of the series 1/(sqrt2 + sqrt1) + 1/(sqrt2 + sqrt3) + ……+ 1/ (sqrt120 + sqrt121) is .

The sum of the numerical series 1/(sqrt3 + sqrt7) + 1/(sqrt7 + sqrt11) + 1/(sqrt11 + sqrt15) + ... upto n terms is

The sum up to n terms of the series 1/(sqrt1+sqrt3)+1/(sqrt3+sqrt5)+1/(sqrt5+sqrt7)+... is

The sum of n terms of the series 1/(sqrt1+sqrt3)+1/(sqrt3+sqrt5)+... is

The sum of the series (1)/(sqrt1+sqrt2)+ (1)/(sqrt2+ sqrt3)+ ...+ (1)/(sqrt(n)+sqrt(n+1)) is equal to-

Find the sum (1)/(1+sqrt(2))+(1)/(sqrt(2)+sqrt(3))+(1)/(sqrt(3)+sqrt(4))+.......... upto 99 terms.

Find the sum (1)/(1+sqrt(2))+(1)/(sqrt(2)+sqrt(3))+(1)/(sqrt(3)+sqrt(4))+.......... upto 99 terms.

The sum of the series (1)/(sqrt(1)+sqrt(2))+(1)/(sqrt(2)+sqrt(3))+(1)/(sqrt(3)+sqrt(4))+ . . . . .+(1)/(sqrt(n^(2)-1)+sqrt(n^(2))) equals