Question

(√11-√7)(√11+√7)
Simplify solution

Answer 1

Answer:

4

Step-by-step explanation:

(√11)^2-(√7)^2

11-7

4

Answer 2

Answer:

Using (a+b)(a-b)=a²-b²

(√11-√7)(√11+√7)

=(√11)²-(√7)²

=11-7

=4