Question

Find
(√11-√7)(√11+√7)​

Answer 1

4

Step-by-step explanation:

(√11-√7)(√11+√7)

${( \sqrt{11)} }^{2} - {( \sqrt{7)} }^{2}$

11-7

4

Answer 2

Answer:

4 is the correct answer .

Step-by-step explanation:

(a+b)(a-b) = (a-b)^2

(√11-√7)^2

(11-7)

4