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

Option: 1

One
 


Option: 2

Two


Option: 3

Three


Option: 4

None of these


Answers (1)

best_answer

General equation of a circle has three parameters. Due to given condition, equation will have only two parameters. Thus corresponding differential equation will be of order 2.

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