9.5 Binomial Theorem

Combination Formula

April 24, 2017 admin

The formula for n objects taken j at a time is.

(matrix{2}{1}{n j})={n!}/{j!(n-j)!}

Example:

(matrix{2}{1}{6 4})={6!}/{4!(6-4)!}

(matrix{2}{1}{6 4})={6!}/{4!2!}

(matrix{2}{1}{6 4})={6*5*4*3*2*1}/{(4*3*2*1)(2*1)}=15

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