# Math Help - Find any postive integers x,y,z,u

1. ## Find any postive integers x,y,z,u

Find any postive integers x,y,z,u such that:
$
x^{2}+y^{2}=z^{4}
$

$
x+y=u^{2}
$

2. Originally Posted by dhiab
Find any postive integers x,y,z,u such that:
$
x^{2}+y^{2}=z^{4}
$

$
x+y=u^{2}
$
There is no relation between $u$ and $z$ ?!