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Old 12-20-2006   #1
Ras
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Default 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.
 
Old 12-21-2006   #2
Mr. Hui


 
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The nth term contains 2 factorials in the denominator.

One possible solution:

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Old 12-21-2006   #3
Jack Hinkle
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Are we doing your homework?
 
Old 12-21-2006   #4
puppydog
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i think but maybe not
 
Old 12-21-2006   #5
Sillysidley

 
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Quote:
Originally Posted by Ras View Post
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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Old 12-21-2006   #6
puppydog
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i think it might be 7th 8th or 9th
 
Old 12-21-2006   #7
Jack Hinkle
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Try college
 
Old 12-21-2006   #8
puppydog
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or just high school
 
Old 12-22-2006   #9
Jack Hinkle
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Somewhere in that area.
 
Old 12-22-2006   #10
puppydog
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yeah.
 
 

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