Series Proof help!
(1) Show that ln 2  Ʃ^{N}_{n=1} ((1)^{n1})(1/n) ≤ 1/(N+1)
(2) Show that sin x  Ʃ^{N}_{n=0} ((1)^{n})/(2n+1)! ≤ x^{2N+2}/(2N+2)! I really don't know where to start. should I change the sums to series first then work my way through? Please help! 
Re: Series Proof help!
Those are alternating series. The error bound is just the next element of the series.

Re: Series Proof help!
ohhhhh wow now i see. thanks so much!

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