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\[(x1)y''+y'=0\]
\[y=\sum_{n=0}^{\infty} a_n x^n\]
\[y'=\sum_{n=1}^{\infty} a_n x^{n1}\]
\[y''=\sum_{n=2}^{\infty} n(n1)a_n x^{n2}\]
 one year ago
 one year ago
\[(x1)y''+y'=0\] \[y=\sum_{n=0}^{\infty} a_n x^n\] \[y'=\sum_{n=1}^{\infty} a_n x^{n1}\] \[y''=\sum_{n=2}^{\infty} n(n1)a_n x^{n2}\]
 one year ago
 one year ago

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JenniferSmart1Best ResponseYou've already chosen the best response.0
\[xy''y''+y'=0\] \[x\sum_{n=2}^{\infty}n(n1)a_nx^{n2}\sum_{n=2}^{\infty}n(n1)a_nx^{n2}+\sum_{n=1}^{\infty} a_n x^{n1}=0\]
 one year ago
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