Question

Find the value of √(15+10√2)+√(15-10√2)

Answer 1

that is a formula (a+b) (a-b) =Asquare + Bsquare

Answer 2

Given :√(15 + 10√2) +√(15 -10√2)

Solution: we can write it as

=√15 +√(10√2)+√15-√(10√2)

After simplifying it ,we gain

=√15+√15

=√30

Answer is √30.