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The differential equation of all the ell...

The differential equation of all the ellipses centred at the origin and have axes as the co-ordinate axes is
where `y'=(dy)/(dx), y''=(d^(2)y)/(dx^(2))`

A

`y^(2)+xy^(2)-y y'=0`

B

`xy y''+xy'^(2) -y y'=0`

C

`y y''+xy'^(2)-xy'=0`

D

`x^(2)y'+xy''-3y=0`

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