Probability- precalc permutation and combination

Roni1985
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Homework Statement


P(4,2)+C(5,3)


Homework Equations




The Attempt at a Solution



I think I'm missing something, P(4,2)= 4P2 and C(5,3)=5C3 ?
 
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Hi Roni1985! :wink:
Roni1985 said:
P(4,2)= 4P2 and C(5,3)=5C3 ?

I assume so. :smile:
 
tiny-tim said:
Hi Roni1985! :wink:


I assume so. :smile:

I see.. thanks :)
 

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