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Find the differential equation of all st...

Find the differential equation of all straight lines, which are at a unit distance from origin.

A

`(y-x "dy"/"dx")^2 = 1-("dy"/"dx")^2`

B

`(y+x"dy"/"dx")^2 = 1+ ("dy"/"dx")^2`

C

`(y-x"dy"/"dx")^2 =1 + ("dy"/"dx")^2`

D

`(y+x"dy"/"dx")^2 =1 - ("dy"/"dx")^2`

Text Solution

Verified by Experts

The correct Answer is:
C
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