# hw98 - 9.8 Pages 495-497 # 3, 5, 7, 9, 17, 19, 21, 23 3. x...

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9.8 Pages 495-497 # 3, 5, 7, 9, 17, 19, 21, 23 3. 2345 35 2 4 2 sin 1 2! 3! 4! 5! 3! 5! 1 3! 5! 3! 5! 2! 3! 5! 4! 3! 5! 33 0 x xxxx xx ex x x x x x x x  =++ + + + + … − + −   = −+− + + + + = ++−− " 5. 24 234 2 4 23 5 cos ln(1 ) 1 2 3 4 1 2 ! 4 ! 3 264 0 xxx x x x x x + = −+−+ = + + =− − + −… " 7. 5 5 sin 1 3! 5! 2 13 x x x x x x x x ++ =+ ++ +…+ − + −… =+ + + + +… 9. 45 1 cosh (1 ) 1 12 ! 4 ! 11 1 1 1 3 1 x x x x x = + +++++ …+ + + =+++ + +++ + + + + + +…+ + + +…+… =+ + 2 345 73 7 2 2 24 24 x x + +

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17. 3/2 3 1 12  ==   , 33 31 1 3 22 2 2! 2 8       = , 3 1 1 2 2 3 3! 6 16   −−     = , 3 3 1 3 123 3 2 2 2 2 4 4! 24 128 = , 3 3 3 1 3 5 1234 3 2 2 2 2 2 2 5 5! 120 256 −−− = 3 / 2 2345 23 4 5 (1 ) 1 3 4 5 3 3 1 2 8 16 128 256 x x
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## This note was uploaded on 02/25/2010 for the course MATH 201 taught by Professor Kim during the Spring '07 term at SIU Carbondale.

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hw98 - 9.8 Pages 495-497 # 3, 5, 7, 9, 17, 19, 21, 23 3. x...

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