Question

(
$( \sqrt{11 - } \sqrt{7} ) ( \sqrt{11 + } \sqrt{7}) \: \: solve \: this \: question$
solve this question​

Answer 1

Answer:

4

Step-by-step explanation:

Using identity

(a+b)(a-b) =a²-b²

=(√11-√7)(√11+√7)

=(11-7)

=4

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