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The differential equation of the family ...

The differential equation of the family of lines where length of the normal form origin is p and the inclination of the normal is `alpha`, is

A

`(d^(2)y)/(dx^(2))=cotalpha`

B

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

C

`(dy)/(dx)=cotalpha`

D

`(dy)/(dx)=-cotalpha`

Text Solution

Verified by Experts

The correct Answer is:
B
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