Question

$if \: x = \frac{1}{4 \sqrt{3 } + 7 } find \: the \: value \: of \: x \\ {x}^{2} - \frac{1}{ {x }^{2} }$
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Answer 1

Answer:

Also mention that formula.........

Answer 2

Step-by-step explanation:

this question's answer is -112√3