- #1
K Sengupta
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P is a base ten positive integer of the form abababcb, such that (P-1) is a perfect square ; where a, b and c denote three different digits from 0 to 9, with a being nonzero.
Determine all possible value(s) of P for which this is possible.
Determine all possible value(s) of P for which this is possible.
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