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45. The number of ordered pairs (x, y) of positive integers for satisfy the equation 1/x + 1/y = 1/40 Options= 1. 21 2. 25 3. 30 4. 32 |
| Answer» 45. The number of ordered pairs (x, y) of positive integers for satisfy the equation 1/x + 1/y = 1/40 Options= 1. 21 2. 25 3. 30 4. 32 | |