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MA1014_HW11r_201012

MA1014_HW11r_201012 - a y = sec x y = 1 x = − 1 x = 1...

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Mathematics for Engineering II Homework 11: Volumes by the general method. Solids of Revolution and the disk method. [email protected] Part I From your textbook (Thomas), section 6.1 1: b, c and d, 2: b, 25, 35, 47 Part II Find the volumes of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer.
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Unformatted text preview: a.- y = sec x , y = 1, x = − 1, x = 1 ; about the x-axis b.- y = x , y = x ; about y = 1 c.- y = x 4 , y = 1 ; about y = 2 d.- y = x , y = x ; about x = 2 TOTAL: 13 Answers Part I 1.-b) c) d) 2.-b) 25.- 35.- V = 117 π 5 47.- a) 16 15 , b) 56 π /15, c) 64 π /15 Part II a.- b.- c.- d.-...
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