hw_4_16_17_09

hw_4_16_17_09 - MA 221 Homework Solutions Due date April...

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MA 221 Homework Solutions Due date : April 16 / 17 , 2009 Section 10.4: 6 ̄ ,8 ̄ Section10.5: 1 ̄ ,3 ̄ ,5 ̄ (Underlined problems are to be handed in) 6 ̄ .) f x cos x 0 x Here T f x n 1 b n sin n x T where b n 2 T 0 T f x sin n x T dx b n 2 0 cos u sin nudx Substituting f x k 1 8 k 4 k 2 1 sin2 kx 8 ̄ .) f x x 2 0 x f x n 1 b n sin n x T where b n 2 T 0 T f x sin n x T dx b n 2 0 x 2 sin n xdx 2 0 sin n xdx 2 0 x 2 sin n xdx 2 b n 0 sin n xdx 0 x 2 sin nxdx 1 n 1 n cos 2 n x 2 cos nx n 0 2 n 0 x cos nxdx 2 cos nx n 0 2 n  x sin nx n 0 1 n 0 sin nxdx 2 cos nx n 2 n 3 cos n cos0 1 n
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hw_4_16_17_09 - MA 221 Homework Solutions Due date April...

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