Week 7 HW Assignment - Nicholaus Butler Math 260 DeVry University Prof Arseniev Week 7 Homework Assignment Exercise 28.2 5 9 13 21 5 2 xdx � 4−3

Week 7 HW Assignment - Nicholaus Butler Math 260 DeVry...

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Nicholaus Butler Math 260 DeVry University Prof Arseniev 8/23/2019 Week 7 Homework Assignment x C
C e e C 21. 0.5drrln0.51rln(r)drLet u=ln(r).Thendu=1rdr ,sordu=dr. Rewrite usingudu0.51udu0.5(ln(|u|)+C) r C
e2x(e2x1)dx C C 1
Answer: 6 3 ( e 6 e 2 ) 2 = 588.06 Exercise 28.4: 5, 17 5. 0.3 sec 2 3 θdθ 0.3 sec 2 ( 3 θ ) 0.3 sec 2 ( u ) 1 3 du 0.3 sec 2 ( u ) 3 du sec 2 ( u ) du 1 3 ¿ 0.3 ¿ 0.3 3 sec 2 ( u ) du tan ( u ) + C 0.3 3 ¿ 0.1tan ( u ) + C Answer: 0.1tan 3 θ + C 17. 1 cosx 8 dx ( ≤x < π 2 ) Answer: cos x 2 + C

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