Simplify : `1/(2+sqrt3) + (3)/(4-sqrt5) + 6/(7-sqrt8)`

Simiplify (1)/(7+4sqrt3)+(1)/(2+sqrt5)

Simplify (1)/(3 - sqrt(8)) - (1)/(sqrt(8) - sqrt(7)) + (1)/(sqrt(7) - sqrt(6)) - (1)/(sqrt(6) - sqrt(5)) + (1)/(sqrt(5) - 2)

Simplify (sqrt(3)+i)^(8)

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

Simplify the express (3+sqrt3) (2+sqrt2)

The sum up to n terms of the series 1/(sqrt(1) + sqrt(3)) + 1/(sqrt(3) + sqrt(5)) + 1/(sqrt(5) + sqrt(7)) +… is:

The sum of the first n terms of the series 1/(sqrt(2) + sqrt(5)) + 1/(sqrt(5) + sqrt(8)) + 1/(sqrt(8) + sqrt(11)) +... is