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No integer solutions (Posted on 2012-12-10)

Prove that the equation 15x²-7y²=9 has no integer solutions.

No Solution Yet Submitted by Ady TZIDON

Rating: 3.0000 (2 votes)

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slower this time

Comment 4 of 4 |

(In reply to A slightly faster not so fast by Steve Herman)

Yep, I didn't demonstrate that the equation implied both x and y were divisible by 3. Thanks for fleshing that out.

Posted by xdog on 2012-12-10 20:15:42

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