## Binomial Theorem Expansion, Pascal's Triangle, Finding Terms & Coefficients, Combinations, Algebra 2

This algebra 2 video tutorial explains how to use the binomial theorem to foil and expand binomial expressions using pascal’s triangle and combinations. This video also shows you how to find the nth term and its coefficient using a simple formula / equation. This video contains plenty of examples and practice problems.

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Excuse me sir I don't know when to use r+1term or binomial expression. Because both of these are used to find coefficients. Is it important to use them correctly or are they just same?

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ok but what if the leading term is negative?

why our goal is on the 4th term @7:40

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Thanks

https://youtu.be/xIw174xadzk

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