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The normal to a given curve is parallel ...

The normal to a given curve is parallel to x-axis if :

A

`(dx)/(dy)=1`

B

`(dx)/(dy)=0`

C

`(dy)/(dx)=0`

D

`(dy)/(dx)=1`

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The correct Answer is:
B
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MODERN PUBLICATION-APPLICATION OF DERIVATIVES -Recent Competitive Questions (Questions from Karnataka CET & COMED)
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