Question
Wed February 23, 2011 By: Arnab Dutta
 

Why does binomial expressions follow a specific pattern depending on which we determine the general expression?

Expert Reply
Sat February 26, 2011
dear student,
nCr = n C n-r
this is a property that comes in use in this case.
so the binomial coefficients follow a pattern.
also read about Pascal's triangle.
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