Posted by **Erica** on Thursday, January 31, 2013 at 11:46am.

Consider the differential equation: dy/dt=y/t^2

a) Show that the constant function y1(t)=0 is a solution.

b)Show that there are infinitely many other functions that satisfy the differential equation, that agree with this solution when t<=0, but that are nonzero when t>0 [Hint: you need to define these functions using language like " y(t)=...when t<=0 and y(t)=...when t>0 and "]

c) Why doesn't this example contradict the Uniqueness Theorem?

I'm trying to do part b and after I separated and integrated I got

ln|y|=(-1/t)+C

I'm not sure if I can get C with the solution they gave in part a)y1(t)=0.

Anyways, I get y(t)=Ce^-(1/t). I don't know where to go from there.

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