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D.E. of all circules of a given radius a...

D.E. of all circules of a given radius a and variable centre (h, k) is

A

`(1+y_(1)^(2))^(3)+a^(2)(y_(2))^(2)=0`

B

`(1+y_(1)^(2))^(2)+a^(2)(y_(2))^(3)=0`

C

`(1+y_(1)^(2))^(3)=a^(2)(y_(2))^(2)`

D

`2xdx+2ydt=a^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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