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If sqrt(x^2+y^2)=e^(sin^(-1)(y/(sqrt(x^2...

If `sqrt(x^2+y^2)=e^(sin^(-1)(y/(sqrt(x^2+y^2))))`. Prove that `(d^2y)/(dx^2)=(2(x^2+y^2))/(x-y)^3`

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