- #1

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**Converges to....**

If "b" is any constant number, what does the infinite sum

[tex]\sum[/tex] [(-1)^n * b^(2n+2)] / (2n+2)!

converge to (in terms of "b")?

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- Thread starter Marth361
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- #1

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If "b" is any constant number, what does the infinite sum

[tex]\sum[/tex] [(-1)^n * b^(2n+2)] / (2n+2)!

converge to (in terms of "b")?

- #2

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If the sum goes from zero to infinty, then I would say

[tex]

1 - \cos(b)

[/tex]

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