X2+y2÷x2-y2=17/8,find the values of x:y.
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(x^2+y^2)/(x^2-y^2)=17/8
17*(x^2+y^2)=8*(x^2-y^2)
17x^2+17y^2=8x^2-8y^2
17x^2-8x^2=-8y^2-17y^2
9x^2=-25y^2
(3x)^2=(5y)^2
3x=5y
x:y=5/3
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