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I'm trying to prove to myself that the following solution to the DE shown works. I can't start using it until i prove to my self it works (it's this psycological thing i have were i can't use anything unless i know where it comes from). :rofl:

Here is the Equation and it's solution

http://img142.imageshack.us/img142/3437/defa7.png [Broken]

and here is metryingto prove to my self it works...

http://img137.imageshack.us/img137/1831/desolhv6.png [Broken]

Am I doing anything wrong? Or can anyone please show me a proof which shows that this is a solution to the Differential Equation?

Thanks in advance

edit: I don't think this is a homework question, as you know, im just trying to prove it to my self.

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# First order Linear DE

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