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If (dx)/dy = (xy)/(x^2 + y^2), y(1) = 1...

If `(dx)/dy = (xy)/(x^2 + y^2), y(1) = 1` and `y(x) = e` then `x =`

A

`e/sqrt(2)`

B

`1/2 sqrt(3) e `

C

`sqrt(2)e`

D

`sqrt(3) e `

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The correct Answer is:
`D`
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