please give me a solution for this question with explanation
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Answer: x 9 y 2
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x=2-√5/2+√5
y=2+√5/2-√5
x^2-y^2
(2-√5/2+√5)^2 ---- (2+√5/2-√5)
(4-5/4+5) - (4+5/4-5)
-1/9-9/-1
=1
hence proved
y=2+√5/2-√5
x^2-y^2
(2-√5/2+√5)^2 ---- (2+√5/2-√5)
(4-5/4+5) - (4+5/4-5)
-1/9-9/-1
=1
hence proved
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