The order of differential equations of all parabolas having directrix parallel to x-axis is [Orissa JEE 2004]

The order of differential equations of all parabolas having directrix

1.	The order of differential equations of all parabolas having directrix parallel to x-axis is [Orissa JEE 2004]
A.	3
B.	1
C.	4
D.	2
Answer» B. 1

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The order of differential equations of all parabolas having directrix parallel to x-axis is [Orissa JEE 2004]

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