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MATH 220 E1 ~~~~~~ QUIZ \#4  ~~~~~  (20 points)\\*[1em]
(12 minutes, 05 Feb 1999)
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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.   Calculate the Wronskian}\\
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{\B W$\left[\M{e}^{\M{5x}}{\M{, ~ e}}^{\M{-6x}}\right]$} 
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{\B and Briefly say What Answer Means.}
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{\B 2.   Find the General Solution:} \\
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{\B y$^{\prime\prime}$ - 4y$^{\prime}$ + 3y = 0}.
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