Question

Simplyfy The Following (√11-√7)(√11+√7)

Answer 1

Answer:

$( \sqrt{11} ) {}^{2} - ( \sqrt{7} ) {}^{2} \\ = 11 - 7 \\ = 4$

Answer 2

Answer:

4

Step-by-step explanation:

(√11-√7)(√11+√7)       (a+b)(a-b)=a²-b²

√11²-√7²                  

(√11² = 11 as √ get cancel when we add ² in it, it also happen with√7 also)

11-7

4

HOPE IT HELPS!!!

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