Question

simplity (√3+ √7) (√3-√7)​

Answer 1

= (√3+ √7) (√3-√7)

= (√3)²-(√7)²

=3-7

=-4

Hope this helps you......

Answer 2

Answer:

this fits the identity (a+b) (a-b) =a²-b²

so the answer is (√3)²-(√7)²

that will be 3-7

answer is =-4

EXPLANATION :

when the number is under "√" and we multiply it be same number we will remove sign "√".

HOPE THIS HELPED U!