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Find Function From Fraction (Posted on 2016-09-22) Difficulty: 3 of 5
Determine all possible real numbers x satisfying the equation:

F((x+1)3) = x3, where F(x) = x – floor(x)

No Solution Yet Submitted by K Sengupta    
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Some Thoughts Possible solution Comment 3 of 3 |
(In reply to Meant to title that as "possible solution" by ken)

Using WolframAlpha I get much the same answers:

x = {0, 1/2 (sqrt(5)-1), 1/6 (sqrt(21)-3), 1/6 (sqrt(33)-3), 1/6 (sqrt(57)-3), 1/6 (sqrt(69)-3)}


  Posted by broll on 2016-09-28 04:06:00
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