Question

If a=2+root3+ root 5 and b=3+root3-root5, find (a-2)the whole square +(b-3)whole square

Answer 1

(a-2)^2+(b-3)^2
(2+√3+√5-2)^2 + (3+√3-√5-3)^2
(√3+√5)^2 +(√3-√5)^2
3+5+3-5
6

Answer 2

I am not sure but I think it is √12.
answer:- 1) (a-2)sq. +(b-3)sq.

2) [(2+√3+√5)-2]sq. +[(3+√3-√5)-3]sq.

3) 8+2√3+2√5 + 4+2√3-2√5

4) 12+4√3

5) 16√3

6)√4×√3 =√12