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Curious Cubic Calculation? (Posted on 2004-10-13) Difficulty: 2 of 5
Show that α=√(7+5√2)+√(7-5√2) is an integer. No calculators or computers allowed!

See The Solution Submitted by Old Original Oskar!    
Rating: 3.8333 (6 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Full Solution | Comment 13 of 14 |
(In reply to Full Solution by Brian Smith)

Great Stuff
  Posted by Rhys on 2004-10-17 03:51:42

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