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Destrus · 04-30-2009, 09:11 AM

how do i prove that for any natural number n n^4 - n^2 is divisible by 3

04-30-2009, 09:11 AM	#4
Destrus Lizard Knight Tournaments Won: 10 In-Game Name: Fyoran Current Level: 3x Server: teva Posts: 876	how do i prove that for any natural number n n^4 - n^2 is divisible by 3 __________________ "Broken moves are also vampiric in nature"