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Mathematics 18 Online
OpenStudy (anonymous):

Help! Find the seventh term of the expansion of (4x - 2y)^11

OpenStudy (primeralph):

okay............you know combinations eh?

OpenStudy (cwrw238):

(r+1)th term of (a + x)^n = nCr a^(n-r)x^r

OpenStudy (anonymous):

How do I use that formula?

OpenStudy (primeralph):

|dw:1368733697019:dw|

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