Question

please answer this question step by step,​

Answer 1

$x+y=\sqrt{5} -\sqrt{3} /\sqrt{5} +\sqrt{3} +\sqrt{5} +\sqrt{3} /\sqrt{5} -\sqrt{3} =8\\XY=1\\x^{2} -3xy+y^2\\=(x+y)^2-2xy-3xy\\=(8)^2-5.1\\=64-5\\=59$Step-by-step explanation:

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