The order of the differential equation of all circles of given radius a is:

(A) 1

(B) 2 

(C) 3 

(D) 4

4 views

1 Answers

Correct answer is (B). Let the equation of given family be (x – h)2 + (y – k)2 = a2 . It has two orbitrary constants h and k. Threrefore, the order of the given differential equation will be 2.

4 views