Question

$x = \sqrt{5} + \sqrt{3} \div \sqrt{5} - \sqrt{3} \\ y = \sqrt{5} - \sqrt{3} \div \sqrt{5} + \sqrt{3} \\ find \: the \: value \: of \: {x}^{2} + {y}^{2}$
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Answer 1

here is your answer

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