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Mathematics 7 Online
OpenStudy (anonymous):

evaluate 5 combination 2 / 6 permutation 2

OpenStudy (lgbasallote):

5 combination 2 is \[\frac{5!}{2!(5-2)!}\] na @ParthKohli ?

OpenStudy (lgbasallote):

and 6 permutation 2 is \[\frac{6!}{2!}?\]

Parth (parthkohli):

\( \color{Black}{\Rightarrow nPr = \Large {n! \over (n -r)!} }\) \( \color{Black}{\Rightarrow nCr = \Large{nPr \over r!} }\)

Parth (parthkohli):

@lgbasallote 6p2 = 6!/4!

OpenStudy (lgbasallote):

oh yeah! but the combo was right?

Parth (parthkohli):

Yep :)

Parth (parthkohli):

Evaluate them individually, then divide.

OpenStudy (lgbasallote):

great! im beginning to get used to this lol

Parth (parthkohli):

Yeah it's fun

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