Could I get some help on this problem?

Thanks.

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- Jan 16th 2012, 05:53 PMVeronica1999finding all squares
Could I get some help on this problem?

Thanks. - Jan 16th 2012, 07:31 PMalexmahoneRe: finding all squares
Let , where is an integer.

Let us now calculate the discriminant of this quadratic equation in .

In order for to be an integer, we need to be a perfect square.

The only Pythagorean triple that has 5 as one of the smaller values is 5, 12, 13.

So,