About Lesson
- The set of terms along with their coefficient obtained by expanding the binomial (a+b)n is known as binomial expansion.
- Applicable to any events in which the no. of mutually exclusive events is two.
- Simplification of (a+b)n in this manner yield the following expansion i.e.
(a+b)n = an + an-1+ an-2b2+ …….+ bn
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