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All parabolas whose axis is the Y-axis....

All parabolas whose axis is the Y-axis.

A

`x/(d^2y)/(dx^2)-(dy)/(dx)=0`

B

`x(d^2y)/(dx^2)+(dy)/(dx)=0`

C

`(d^2y)/(dx^2)-y=0`

D

`(d^2y)/(dx^2)-(dy)/(dx)=0`

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The correct Answer is:
A
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TARGET PUBLICATION-DIFFERENTIAL EQUATIONS -COMPETITIVE THINKING
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