Posted by **Josh** on Monday, February 23, 2009 at 12:43pm.

In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)

- 12th grade Data -
**Reiny**, Monday, February 23, 2009 at 2:24pm
I don't get it

k!=k(k-1)(k-2)...(3)(2)(1) by definition,

what's to "show" ?

- 12th grade Data -
**Anonymous**, Tuesday, March 3, 2009 at 6:17pm
what did they speak

language

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