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September 19, 2014

September 19, 2014

Posted by **Roy Jr** on Wednesday, December 14, 2011 at 10:24pm.

- algebra -
**Reiny**, Wednesday, December 14, 2011 at 11:38pmlook at row 5 of Pascal's triangle

1 5 10 10 5 1

(x+y)^5

= x^5 + 5x^4 y + 10x^3 y^2 + 10x^2 y^3 + 5xy^4 + y^5

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