Question

The value of (√5 + √2)(√5 - √2) is equal to?​

Answer 1

Answer:

(√5+√2)(√5-√2)

=√5^2-√2^2(a^2-b^2=(a+b) (a-b)

=5-2

=3

Answer 2

(A-B)square (a+b) = a square - bsquare