(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

1. ty'+2y = 4t^2 , y(1) = 2

2. Relevant equations

3. The attempt at a solution

1. I know how to get the answer but i have a trivial question. The answer is y=t^2 + t^(-2) and t>0. I do not get why t>0. Why can't t be R except 0?

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# Simple differential quesion

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