# Math Help - Counting, Probability, Trees, etc in Discrete Math

1. Originally Posted by hellfire127
Would this formula work for problems like $\displaystyle{5\choose 3}$
and $\displaystyle{8\choose 2}$[/QUOTE] ?[/QUOTE]I am not sure what problems you mean.

I agree with you and Plato about problem 9.

2. Originally Posted by emakarov
and $\displaystyle{8\choose 2}$
?[/QUOTE]I am not sure what problems you mean.

I agree with you and Plato about problem 9.[/QUOTE]

i think i've got it, i'm going to bring the other thread back up on induction for the fibonacci sequence as I think that's the last problem that I still don't clearly understand.

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