Question

if 2 by root 3 + root 5 + 2 by root 3 minus root 5 is equal to a root 3 + b root 5 ,find a and b​

Answer 1

2/√3 + √5 + 5/√3 - √5 = a√3 + b√5

⇒7/√3 + 0 = a√3 + b√5

⇒7/3×√3 + 0√5 = a√3 + b√5

so comparing both sides we get

a = 7/3 & b = 0