italian7745 Master | Next Rank: 500 Posts View User Profile Posts: 113 Joined: Sun May 24, 2009 8:01 am Thanked: 4 times GPREP DSQ by italian7745 » Mon Nov 16, 2009 3:00 am Is x^4 +y^4 >z^4 a) x^2 + y^2 > z^2 b) x + y > z Top Quote