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The differential equation of the family ...

The differential equation of the family of parabolas having vertices at the origin and foci on y-axis is

A

`(dy)/(dx) = (2y)/(x)`

B

`(dy)/(dx) = (y)/(2x)`

C

`(dy)/(dx) = (y)/(x)`

D

`(dy)/(dx) = (2y)/(x^(2))`

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The correct Answer is:
A
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