How to estimate from above the following sums: $$ \sum_{i=0}^K \sum_{j=0}^{L-K}\binom{K}{i}\binom{L-K}{j} (-1)^i (L-2i-2j)^N $$
2026-04-07 09:53:01.1775555581
Estimate from above the sum of binomial coefficients
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