Binomial Theorem Part 5 - How to find n

Some binomial theorem questions requires us to find the power of expansion (n). Learn how to convert n choose r to a fraction and use that to find n.

Chapters:
n choose r (First Formula) 00:43
n choose r (Second Formula) 04:38
Example 1 08:23
Example 2 14:51
Example 3 19:30

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