`1/(sqrt5 +sqrt3 +2) + 1/(-sqrt5 +sqrt3 +2 ) =`

2/(sqrt5 - sqrt3)

2/(sqrt5 - sqrt3)

2/(sqrt5 - sqrt3)

2/(sqrt5 - sqrt3)

2/(sqrt5 - sqrt3)

The value of { 1/(sqrt6 - sqrt5) - 1/(sqrt5 - sqrt4) + 1/(sqrt4 - sqrt3) - 1/(sqrt3 - sqrt2) + 1/(sqrt2 - 1)} is :

If 2sqrtx= (sqrt5 + sqrt3)/(sqrt5 - sqrt3)-(sqrt5 - sqrt3)/(sqrt5 + sqrt3) then what is the value of x ?