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\textbf{Math 225: Calculus III}
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\textbf{Quiz 9}\quad \textsl{April\ 9/11, 1996}
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\item 
Let $\F = x^2y \i + y^2z \j + z^2 x \k$. Compute $\curl(\F)$.
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\item 
Let $C$ be the curve defined by $r(t) = t\i + \cos(t)\j$, $0\le t\le
\pi/2$. Compute the line integral $\int_C 2y \sqrt{1-y^2}\,ds$.

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