`(sqrt3-sqrt5)(sqrt5+sqrt3)`

Show that (sqrt5+sqrt3)/(sqrt5-sqrt3)-(sqrt5-sqrt3)/(sqrt5+sqrt3)=2sqrt15

What is (sqrt5+sqrt3)/(sqrt5-sqrt3)+(sqrt5-sqrt3)/(sqrt5+sqrt3) equal to

Simplify ((sqrt3+sqrt5)(sqrt5+sqrt2))/(sqrt2+sqrt3+sqrt5)

Simplify (sqrt3+sqrt5)(sqrt3-sqrt5)

Rationalise the denominator of (3sqrt5+sqrt3)/(sqrt5-sqrt3)

Rationalise the denominator of the following (i) 2/(3sqrt3) , (ii) sqrt40/sqrt3 ,(iii) (3+sqrt2)/(4sqrt2) (iv) 16/(sqrt41-5) ,(v) (2+sqrt3)/(2-sqrt3) , (vi) sqrt6/(sqrt2+sqrt3) (vii) (sqrt3+sqrt2)/(sqrt3-sqrt2) ,(viii) (3sqrt5+sqrt3)/(sqrt5-sqrt3) , (ix) (4sqrt3+5sqrt2)/(sqrt48+sqrt18)

(sqrt5+sqrt3)/(sqrt5-sqrt3)=

Simplify (sqrt5 - sqrt3)(sqrt5 + sqrt 3)