quiz11-8.40-soln. - MATH 101-B Fall 2004 Quiz 11...

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Unformatted text preview: MATH 101-B Fall 2004 Quiz 11 (8:40-10:30 Group) December 24, 2004 Time: 15 minutes Name: Student No: Follow the directions. No work No credit!! Problem 1 (5 pts.) Evaluate the integral: 2 xe x 3 dx x 1 Solution. xe x 3 dx x xe x x 3 dx x 3 1 dx x e x dx ex 3 ln|x| C. So, for the definite integral we have: 2 xe x 3 dx x ex 3 ln|x| | 2 1 e2 1 3 ln 2 e Problem 2 (5 pts.)b. If E x x 0 2 2 e t dt, what is Solution. d Ex dx e e 3x d dx 2 ex e 3 ln 1 3 ln 2. d dx x 0 Ex 2 e t dt 3 e 3x . e 3x ? d e 3x dx ...
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