how would you expand (a^x+b)^y? sorry if this is in wrong place but i wasnt sure where to put it. thanks for any help.
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Originally Posted by hmmmm how would you expand (a^x+b)^y? sorry if this is in wrong place but i wasnt sure where to put it. thanks for any help. look up binomial expansion
thanks very much but what happens if the x has a power that isnt 1?
Originally Posted by hmmmm thanks very much but what happens if the x has a power that isnt 1? say we write x as in the above formula:
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Originally Posted by hmmmm
^n = \sum_{k = 0}^{n} {n \choose k}x^{n - k}y^k)
