How do you sort out things with ! signs?
like the thing attached.. what are the rules for dealing with tehse things?
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kikzen
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- 14-06-2004 11:39
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It'sPhil...
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- 14-06-2004 11:42
(Original post by kikzen)
How do you sort out things with ! signs?
like the thing attached.. what are the rules for dealing with tehse things?
(x+1)! = (x+1).x.(x-1).(x-2).....3.2.1 = x!.(x+1)
Can you finish from there? -
kikzen
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- 14-06-2004 11:48
(Original post by It'sPhil...)
x! = x.(x-1).(x-2)....3.2.1
(x+1)! = (x+1).x.(x-1).(x-2).....3.2.1 = x!.(x+1)
Can you finish from there?
yeah i can finish off..
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