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Even and odd powers (Posted on 2005-02-09) Difficulty: 4 of 5
Let [z] mean the Greatest Integer less than or equal to z. Find a positive real number X, such that [X^n] is an even number whenever n is even, and [X^n] is an odd number whenever n is odd.

See The Solution Submitted by SteveH    
Rating: 4.2222 (9 votes)

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re(2): No Subject | Comment 7 of 23 |
(In reply to re: No Subject by David Shin)

My mistake.  You are so right.  Your solution is also correct.  Although I don't see the point of sqr(3).  sqr(2) works just as well.  Or even X=k^2+sqr(k^2+m), where k is any positive integer and m is a positive integer less than 2k+1; right?  (Hope this isn't my third mistake!)
  Posted by McWorter on 2005-02-27 00:02:31

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