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Mathematics 12 Online
OpenStudy (anonymous):

nCn is equal to one: a)always b)sometimes c)never

OpenStudy (kinggeorge):

\[nCn=\frac{n!}{n!(n-n)!}=\frac{n!}{n!}\]When is this 1?

OpenStudy (anonymous):

Umm? Always?

OpenStudy (kinggeorge):

yup :)

OpenStudy (anonymous):

Ok! Thanks!

OpenStudy (kinggeorge):

You're welcome.

OpenStudy (anonymous):

nCx can also be read, "number, n, ways of Choosing x things." - How many ways can you take everything? Only one.

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