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Unformatted text preview: whose value is the area of that surface. 8. Find the length of the curve given by 3 t y = and 2 t x = from = t to 1 = t . 9. The density ( 29 x of a wire at the point x centimeters is given by ( 29 5 x x = grams per centimeter. Find the center of mass of the piece of wire between x = and 4 x = centimeters. 10. Four particles having masses 3, 5, 2, and 4 units are located at ( 29 3, 1, ( 29 2,4 , ( 29 1,3, and ( 29 1,1 respectively. Find the center of mass. 11. Integrate 3 2 x x e dx . 12. Integrate 2 sec (ln ) x dx x . 13. Integrate 2 1 4 9 dx x x+ . 14. Evaluate dx xe x cos sin ....
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 Spring '07
 Kim
 Math

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