Binomial Expansion

This sketch allows you to expand a binomial raised to a power.[br][br]Can you find any patterns? How do the coefficients of the polynomial get determined by a, b and n?[br][br]Can you make a polynomial with no roots? More than one root? Why?
Binomial Expansion
Posted at the GVSU High School Math Wiki, http://hs-mathematics.wikispaces.com

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