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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)

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Some Thoughts re: inegrity by squaring REVISITED | Comment 12 of 14 |
(In reply to inegrity by squaring by Ady TZIDON)

in my previous post I was not aware that a CUBIC
root waas implied

ady


  Posted by Ady TZIDON on 2004-10-15 06:14:32

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