Question

rationalise the denominator

Answer 1

2/√5+√3 ×√5-√3/√5-√3
2(√5-√3)/(√5)^2-(√3)^2
2(√5-√3)/5-3
2(√5-√3)/2
√5-√3
is your answer

Answer 2

multiply root5-root3 with both numerator and denominator.
2/(roo5+root 3)×root5-root3/root5-root3
2 (root5-root3)/5-3
2 (root5-root3) /2
(root5-root3) is ur answer dude