Question

5 + 2 root 3 by 7 + root 3 minus root 3 find a and b​

Answer 1

LHS=(5+2√3)(7+4√3)((7-4√3)(7+4√3)

(35-20√3+14√3-24) (7)2-4√3)2)

((11-6√3))(49-48)

(11-6√3)

therefore 11-6√3 =a+b√3

compare both sides a=11,b=6√3