Question

What is the following of (√11-√7)(√11+√7)​

Answer 1

Answer:

(√11-√7)(√11+√7)

11-7

=4

Step-by-step explanation:

Answer 2

Answer:

$(\sqrt{11}-\sqrt{7})(\sqrt{11}+\sqrt{7})\\=(\sqrt{11})^{2}-(\sqrt{7})^{2}$ $(a-b)(a+b)=(a)^{2}-(b)^{2}$

$=11-7=4$

Therefore, the answer is 4.

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