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For which n does 1+2+...+n divide 1*2+2*3+...(n1)n
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For which n does 1+2+...+n divide 1*2+2*3+...(n1)n
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Nov 29th 2007,
05:07 AM
#1
james_bond
Senior Member
Joined
Nov 2007
Posts
329
For which n does 1+2+...+n divide 1*2+2*3+...(n1)n
For which
does
divide
?
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Nov 29th 2007,
05:17 AM
#2
galactus
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