I really need help... - XP Math - Forums

 XP Math - Forums I really need help...

 12-20-2006 #1 Ras Guest   Posts: n/a I really need help... I need to find the nth term for this series, but I am really struggling with it, although I think it has at least two factorials in it, please help if you can. (4/2)+(12/12)+(24/144)+(40/2880)+... All help would be greatly, greatly appreciated.
 12-21-2006 #2 Mr. Hui     Join Date: Mar 2005 Posts: 10,609 The nth term contains 2 factorials in the denominator. One possible solution: $\frac{2n(n+1)}{n!(n+1)!}$ __________________ Do Math and you can do Anything!
 12-21-2006 #3 Jack Hinkle Guest   Posts: n/a Are we doing your homework?
 12-21-2006 #4 puppydog Guest   Posts: n/a i think but maybe not
12-21-2006   #5
Sillysidley

Join Date: Oct 2006
Posts: 822

Quote:
 Originally Posted by Ras I need to find the nth term for this series, but I am really struggling with it, although I think it has at least two factorials in it, please help if you can. (4/2)+(12/12)+(24/144)+(40/2880)+... All help would be greatly, greatly appreciated.

this is hard... what grade is this
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 12-21-2006 #6 puppydog Guest   Posts: n/a i think it might be 7th 8th or 9th
 12-21-2006 #7 Jack Hinkle Guest   Posts: n/a Try college
 12-21-2006 #8 puppydog Guest   Posts: n/a or just high school
 12-22-2006 #9 Jack Hinkle Guest   Posts: n/a Somewhere in that area.
 12-22-2006 #10 puppydog Guest   Posts: n/a yeah.

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