So has come to past the unit of Combinatorics. I really don't know what to say about this unit. As compared to the other units and how i preformed in them i wouldn't say this was much more difficult then the rest but definitely more difficult.

Muddiest point would be knowing when to use which formula. I really don't know when to use Pick or Choose. Also I've been adding stuff when i should be multiplying. That's been hurting me for the past few days. Binomial therom is really throwing me off, haven't quite gotten all the patterns memorized.

Priniples of counting and circular permutations are Okay. I really more worried about the stuff i mentioned above.

Well good luck to all, i know I'm gonna need it.

## Friday, December 7, 2007

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