sample exam and homework solution

sample exam and homework solution - The circulary region in...

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Math 227.04 Written hw 4 Due March 4, 2009 In each problem, include a carefully drawn sketch illustrating both the solid region in question and the disk, shell, or washer shaped element used in setting up the volume integral. 1. Let 0 < r < a:
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Unformatted text preview: The circulary region in the xy plane bounded by ( x &amp; a ) 2 + y 2 = r 2 is revolved around the y axis. Find the volume of the resulting donut shaped region (called a torus). 2. Please do (a) 6.1# 20, 48 (b) 6.2# 30(c,d) 1...
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This note was uploaded on 09/08/2011 for the course MATH 227 taught by Professor Cheung during the Spring '09 term at S.F. State.

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