Solution of the differential equation dx/x + dy/y = 0 is 

(A) 1/x + 1/y = c

(B) logx . logy = c 

(C) xy = c 

(D) x + y = c

4 views

1 Answers

Correct answer is (C).

 From the given equation, we get logx + logy = logc giving xy = c.

4 views