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The differential equation of all conics ...

The differential equation of all conics whose axes coincide with the coordinate axes, is

A

`xyy_(2)+xy_(1)^(2)-yy_(1)=0`

B

`yy_(2)+y_(1)^(2)-yy_(1)=0`

C

`xyy_(2)+(x-y)y_(1)=0`

D

None of these

Text Solution

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The correct Answer is:
A
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