#1
...assuming you're interested in maths, please help.

Factorials, how do they work? For some simple questions like say 12!/5!*2! a calculator can do it, but i need a better method of solving it, especially to solve bigger number questions like say 85!/69!.

Can anyone help me out?
Chelsea FC



Quote by Blues Hippie
As for the swim team member that drowned, it just means the swim team just got a lot better. Same with him too, it's time to move on, the weakest link is gone...
#2
Yes, someone can help you out.
BEWARE THE BANANA ARMY.

I SAY, I SAY, BEWARE THE BANANA ARMY.

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#3
Quote by TheTee56
Yes, someone can help you out.


Let me rephrase...will someone?
Chelsea FC



Quote by Blues Hippie
As for the swim team member that drowned, it just means the swim team just got a lot better. Same with him too, it's time to move on, the weakest link is gone...
#5
Quote by TOMMYB22
Let me rephrase...will someone?


Probably
Quote by lambofgod127
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#7
why do you put exclamation marks after the numbers

are you shouting

incognito why did you do that
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On the come up we were listening to Grateful Dead and the music started passing through my bowel and out my arsehole as this violet stream of light. I shat music. It was beautiful.
Last edited by Burgery at Mar 12, 2013,
#8
Quote by TEK34


i googled before asking this.

Besides, i wasn't intending to cheat on the work i'm doing so i substituted different numbers in.
Chelsea FC



Quote by Blues Hippie
As for the swim team member that drowned, it just means the swim team just got a lot better. Same with him too, it's time to move on, the weakest link is gone...
#9
Quote by Burgery
why do you put exclamation marks after the numbers

are you shouting

incognito why did you do that

Ninjin' since '11.
#10
12!/5!

=

12*11*10*9*8*7*6*5*4*3*2*1
5*4*3*2*1

Cancel out the duplicates

12*11*10*9*8*7*6*5*4*3*2*1
5*4*3*2*1

=

12*11*10*9*8*7*6


So 85!/69! is just 85*84*83*82...73*72*71*70. Good luck with that.
#11
Quote by Johnny_Ibanez
12!/5!

=

12*11*10*9*8*7*6*5*4*3*2*1
5*4*3*2*1

Cancel out the duplicates

12*11*10*9*8*7*6*5*4*3*2*1
5*4*3*2*1

=

12*11*10*9*8*7*6


So 85!/69! is just 85*84*83*82...73*72*71*70. Good luck with that.


Thanks man, much appreciated.

Mods can close this thread if they want.
Chelsea FC



Quote by Blues Hippie
As for the swim team member that drowned, it just means the swim team just got a lot better. Same with him too, it's time to move on, the weakest link is gone...
#12
Quote by lncognito
shouty numbers!

shouty numbers! = shouty numbers * talky numbers * whispery numbers
Hahahahahahahahahah hahahaha har har har