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| If I write Expand[(x - 1)^3] I get the polynomial - 1 + 3 x - 3 x^2 + x^3. Ok . If I write Sum[ Binomial[k, i] (x - 2)^i, {i, 0, k}] I get (-1 + x)^ k, which is the same as Expand[(x - 1)^n /. n -> k]. What I look for is the polynomial... |