Wikipedia:Reference desk/Archives/Mathematics/2015 August 21

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August 21[edit]

Polynomial expansion[edit]

Looking for Taylor expansion of (1 + a + b)^n. Thanks — Preceding unsigned comment added by 163.202.48.126 (talk) 07:47, 21 August 2015 (UTC)[reply]

If n is a positive integer, see our article on trinomial expansion.Gandalf61 (talk) 08:39, 21 August 2015 (UTC)[reply]
I expect it to also generalize to complex n like with the binomial series.--Jasper Deng (talk) 04:33, 22 August 2015 (UTC)[reply]