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Sum of Cubes (Posted on 2004-05-25) Difficulty: 3 of 5
Prove that the sum of consecutive perfect cubes (starting with 1) is always a perfect square.

For example:
1=1
1+8=9
1+8+27=36

See The Solution Submitted by Gamer    
Rating: 3.4000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): an arbitrary n solution... | Comment 8 of 12 |
(In reply to re: an arbitrary n solution... by Dan)

I am sending you a word document with the proof of the 
first induction statement. I felt it would had been
very lengthy and confusing if written on here. let me
if you have any further questions. i will be happy to
elaborate.

bebo

  Posted by ryan on 2005-09-20 04:43:38
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