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Unformatted text preview: xaxis. Check your result with a formula from geometry. 6. The surface of an astroid . Find the area of the surface generated by revolving the portion of the astroid 2/3 2/3 1 x y + = shown below about the xaxis. ( Hint : Revolve the first quadrant portion ( 29 3/ 2 2/3 1 y x =, 1 x ≤ ≤ , about the xaxis, and double your result.)                                               Answers: 1. 4 5 π 2. 98 81 3. 4 4. ( 29 2 2 1 95. 4 6. 12 5 2 2 3 3 1 x y + =...
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This note was uploaded on 02/12/2011 for the course MAC 2233 taught by Professor Smith during the Spring '08 term at University of Florida.
 Spring '08
 Smith
 Calculus, Geometry

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