Question

Find the value of a and b if root5+root3/root5-root3 =a-root 15b

Answer 1

Rationalizing we get,

(√5+√3)²/ 2 = a-√15b

8+2√15 = 2a-b√15

comparing we get,

a = 4 , b = -2 (Ans)

$\color{red}{Mark\: as\: Brainlist}$