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Question

Find two consecutive whole numbers, the difference of whose reciprocals is 1/12

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Solution

Dear Student,

Let the consecutive whole numbers be x and x + 1Now, 1x - 1x + 1 = 112x + 1 - xxx + 1 = 112x2 + x - 12 = 0x2 + 4x - 3x - 12 = 0xx + 4 - 3x + 4 = 0x - 3x + 4 = 0x = 3 or x = -4 rejected as it is not a whole numberSo, we take x = 3So, consecutive whole numbers are : 3 and 4.

Regards

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