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Base N Perfect Square Poser (Posted on 2016-07-13) Difficulty: 3 of 5
Consider a base-N nonzero perfect square of the form X1X1X2X2, where X1 and X2 are base-N digits whether same or different.

Derive a general formula that expresses X1X1X2X2 in terms of N, where N is an integer > 3.

*** X1X1X2X2 is a concatenation of the digits and not the product.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionSolutionBrian Smith2016-07-14 09:44:30
AddendumK Sengupta2016-07-13 13:36:41
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