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OpenStudy (idealist10):
Find the power series in x for the general solution of (1+2x^2)y"+7xy'+2y=0.
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OpenStudy (idealist10):
I got up to \[a _{n+2}=-\frac{ a _{n}(2n+1) }{ n+1 }\] but I have trouble of getting the answer in the book.
OpenStudy (loser66):
Show your work and the answer in the book, please.
OpenStudy (idealist10):
The answer in the book says |dw:1471564333462:dw|
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