Thread: Combinatorics and number theory
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Old December 27th, 2008, 04:39 AM
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Originally Posted by awkward View Post
Consider the sums s_n = \sum_{i=1}^{10} x_i for n = 1, 2, \dots , 10.
Should this be:

s_n = \sum_{i=1}^{n} x_i for n = 1, 2, \dots , 10?

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