Question

Find the value of
$( \frac{4}{ \sqrt{7 \: \sqrt{3 + } } } + \frac{2}{ \sqrt{5 + \sqrt{3} } } ) {}^{2} - \sqrt{140}$
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Answer 1

This is the most simplified part in this question.

Squaring is not beneficial in this question.

The Question is not valid, there must be some value under a root to solve this Question, but you didn't provide with that number