Solution of the differential equation dx/x + dy/y = 0 is
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
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Correct answer is (C).
From the given equation, we get logx + logy = logc giving xy = c.
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