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\centerline
{
\bf ``QUIZ'' for Oct. 19, 2009
}
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{\bf NAME:} (print!) $\underline
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{\quad \bf Section:}
$\underline{\quad\quad\quad}$

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{\bf E-MAIL ADDRESS:} (print!) 
$\underline
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{\bf 1.} 
Change the order of integration in
$$
\int_{1}^{4} \int_{0}^{\ln y} f(x,y) \, dx \, dy \quad .
$$

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{\bf 2.} 
Evaluate
$$
\int_{0}^{2} \int_{y/2}^{1} {{1} \over {(x^2+1)^2} }  \, dx \, dy \quad ,
$$
by inverting the order of integration and evaluating the new iterated
integral.


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