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OpenStudy (anonymous):
Find an interval centered about x=0 for which the given initial value problem has a unique solution y''+(tanx)y=e^x; y(0)=1, y'(0)=0 I know this has something to do with a_n=0 and in this case a_n=a_2=1, a_1=tanx a a_0=e^x but I am kind of confused with what the question is asking? Since a_2 does not = 0 then a unique solution would lie along any interval (-inf,inf) ? Is this correct?
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