Probability- precalc permutation and combination

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Roni1985

Homework Statement

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

I think I'm missing something, P(4,2)= 4P2 and C(5,3)=5C3 ?

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tiny-tim

Science Advisor

Homework Helper

Hi Roni1985!

Roni1985 said:

P(4,2)= 4P2 and C(5,3)=5C3 ?

I assume so.

Roni1985

tiny-tim said:

Hi Roni1985!

I assume so.

I see.. thanks :)