Question

show that
$( \frac{ \sqrt{7 + i \sqrt{3} } }{ \sqrt{7 - i \sqrt{3} } } + \frac{ \sqrt{7 - i \sqrt{3} } }{ \sqrt{7 + i \sqrt{3} } } )$
is real​

Answer 1

Answer:

0

Step-by-step explanation:

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