Q. 33

Mark the correct alternative in each of the following:

The solution of the differential equation approaches to zero when x , if

A. k = 0

B. k > 0

C. k < 0

D. none of these

Answer :

By variable separable and integrating both sides

Where ec = A

We have given condition y(0) = 1

We know e ∞ and e- 0

So, we are given that y approaches to zero when x

i.e. 0 = ek

Which is possible only when k < 0 = (C)

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