Question

$\frac{ \sqrt{y {}^{2} + x {}^{2} } }{y} + \frac{x}{ \sqrt{y {}^{2} - x {}^{2} } }$

prove this =
$\sqrt{ \frac{y + x}{y - x} }$
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Answer 1

Answer:

SORRRRRRRY MATE I CAN'T UNDERSTAND YOUR QUESTION.....