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Sep
21
awarded  Citizen Patrol
Jun
10
awarded  Autobiographer
Feb
22
awarded  Supporter
Sep
12
awarded  Scholar
Sep
12
accepted Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
Sep
11
comment Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
ohhhhhhh... the "since the only square the divides 2 is 1" was key. that was the missing piece of the puzzle :)
Sep
11
comment Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
yes... but how do you prove that there are no zeros? using the cubic equation formula seems way too messy...
Sep
11
awarded  Student
Sep
11
comment Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
ok, thanks... i'll start with that!
Sep
11
awarded  Editor
Sep
11
comment Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
sorry, i forgot to latexify it... :P
Sep
11
revised Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
latexified formula
Sep
11
comment Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$
yeah... sorry about that.
Sep
11
asked Prove that for all $n\in\mathbb{N}, (n−1)^3+ n^3 \neq (n+1)^3$