# user4140

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27 yesterday
 +10 23:13 upvote partitioning numbers from 1 to n in 4 non-empty subsets so no subset has 2 consecutive numbers. +10 14:09 upvote How exactly does the response “infintely many” answer the question of “how many”? +5 01:43 upvote How to calculate the following sums? +2 23:31 accept partitioning numbers from 1 to n in 4 non-empty subsets so no subset has 2 consecutive numbers.
27 2 days ago
 +15 21:13 3 events How to calculate the following sums? +10 02:48 upvote Recurrence Relation Models +2 19:29 accept How to calculate the following sums?
17 Apr 20
 +10 15:01 upvote Funtions between sets +5 04:50 upvote combinatorial proof $\sum_{i=0}^m x^i=\frac{x^{m+1}-1}{{x-1}}$ +2 05:58 accept combinatorial proof $\sum_{i=0}^m x^i=\frac{x^{m+1}-1}{{x-1}}$
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