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\centerline{\bf Math.~125 Quizz \#9}
\centerline{November 17, 1998}
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\noindent1. 
Find the derivative of the function
$$F(x)=\int_0^x t^3\cdot \sqrt{4-t^2}\ dt$$

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\noindent2. 
Find the derivative of the function
$$F(x)=\int_0^{1/x} \tan t \ dt$$

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