Re: Sum of squares



On 18-05-2007 23:41, chrizm7@xxxxxxxxx wrote:

If a^2 + b^2 = x^2 + y^2 (and a, b, x, y all not zero)

then I am 99% sure either a = x, b = y or a = y, b = x. But what
makes this true, because it is clearly not true if we remove the
squares:

2 + 5 = 1 + 6

1^2 + 7^2 = 5^2 + 5^2.

Best regards,

Jose Carlos Santos
.