Question

Simplify
(√5-√2)(√5+√2)​

Answer 1

Answer:

3

Step-by-step explanation:

it is in the form of (a+b)(a-b)=a^2-b^2

So, (√5)^2-(√2)^2

=5-2

=3

Answer 2

Step-by-step explanation:

Formula (a+b) (a-b)=

$a {}^{2} + 2ab + b {}^{2}$