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OpenStudy (anonymous):
Use a power series representation to solve the differential equation y''+4xy=0, y(0)=-1, y'(0)=1
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OpenStudy (bahrom7893):
It's been a while since my ODE class but I think in order to solve a diff eqn using a power series representation you have to assume that a solution of the form: |dw:1369690978386:dw| exists
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