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43. The number of positive integral pairs (x, y) such that 1/x + 1/y = 1/2007, where x < y is 1. 11 2. 7 3. 9 4. 13

Answer» 43. The number of positive integral pairs (x, y) such that 1/x + 1/y = 1/2007, where x < y is 1. 11 2. 7 3. 9 4. 13


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