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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Sunday, February 17, 2013 at 4:18am.

- maths-urgently needed -
**Reiny**, Sunday, February 17, 2013 at 8:29amYou might want to look at the patterns of "trinomial expansion" and its connection to Pascal's triangle

Here is a very neat webpage.

They expand (a+b+c)^5

You have to expand (a+b+c)^4

http://www.rowan.edu/open/depts/math/osler/Trinomial_triangle.pdf

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