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An Atypical Evaluation (Posted on 2006-08-13)

Determine all possible positive integers x and y such that 3^x-2^y=17.

See The Solution Submitted by K Sengupta

Rating: 4.0000 (2 votes)

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Solution

| Comment 4 of 6 |

The only integers I could find (before my calculator ran out of room, I have room for 10 digits) were x=4 and y=6. This makes sense because 3 to the 4th power is 81, 2 to the 6th power is 64, and 81-64=17.

Posted by Lillian on 2006-08-28 14:20:59

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