Pre-Calc Homework Solutions 351

Pre calc homework solutions 351

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Unformatted text preview: Section 8.4 1 351 34. Volume 0 2 x 1 (x 2 1)(2 x dx 1)(2 x) dx 36. t 25 5 sin , dt t 25 2 5 cos 25 sin 2 d , 2 2 2 4 0 25 t 2 dt 25 cos (x A x (x x 1)(2 x) 1 x) B 2 x 5 cos 25 cos 2 (5 cos ) d d x A(2 ( A x) B)x B(x (2A 1) B) 25 25 2 1 ,B 3 2 . 3 25 2 1 Equating coefficients of like terms gives A B 1 and 2A B 0 cos 2 d 2 25 sin 2 4 25 sin 2 C cos C 25 5 t2 t2 Solving the system simultaneously yields A 1 4 0 (x 1 0 x dx 1)(2 dx x 1 x) 1 0 4 3 4 3 2 dx 2 x 1 25 t sin 1 2 5 25 t sin 1 2 5 25 t 2 5 t 25 2 C C t to 1 Use Figure 8.18(b) from the text with a get 25 t2 5 cos . 5...
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This note was uploaded on 10/05/2011 for the course MAC 1147 taught by Professor German during the Spring '08 term at University of Florida.

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