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MATH 220 E1 ~~~~~~ QUIZ \#2  ~~~~~  (20 points)\\*[1em]
(12 minutes, 12 Jan 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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1.  Solve for  ~{\huge$y(x)$}~ if
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{\huge $$\frac{dy}{dx} = \frac{2 x y^2}{1 + x^2}
$$}
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2.  Solve for  ~{\huge $y(x)$}~ if
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{\huge $$2\frac{dy}{dx} + x y(x) = 4 x~,~~ y(0) = 3$$}
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