Algebra

Find the indicated term of each expression: seventh term of (x+y)^12

I just have no idea how to go about this, please help.

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  1. An=12Cn*x^(12-n)*y^n,
    n=0,1,2,3,...,12

    A6=12C6*x^6*y^6
    12C6=924

    BTW, mCn=m!/(n!(m-n)!)

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