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0 votes
11.3k views
in Mathematics by (70.5k points)

The order of the differential equation of family of circle touching a fixed straight line passing through origin is.

(A) 2

(B) 3

(C) 4

(D) none of 

1 Answer

+1 vote
by (71.6k points)
selected by
 
Best answer

The correct option (A) 2  

Explanation:

Here there will be 2 arbitrary constants.

∴     order = 2

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