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MATH 220 E1 ~~~~~~ QUIZ \#11  ~~~~~  (20 points)\\*[1em]
(12 minutes, 02 April 1999, 8.2,8.3,7.5 (var. coeff.)
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NAME:
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SOCIAL SECURITY NUMBER (SSN):
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DISCUSSION TIME AND DAY (DT\&D):
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{\B 1. Find at least the first 5 nonzero terms  in a power series expansion 
about $x = 0$ for the general solution of the IVP:}
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{\B \hspace*{2em}\boldmath{$y^{\prime\prime}(x)+3 x y^{\prime}(x)-y(x) = 0$}
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\hspace*{2.5em}\boldmath{$y(0)=5;~~ y^{\prime}(0)=2;$}\\*[2em]}
{\I\{Hint:  Start with enough terms to end up with the first 5 nonzero terms
counting the constant term, adding more terms when necessary.  
Recall Ex. 8.3.25.\}}
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