Vincen Legendary Member View User Profile Posts: 2898 Joined: Thu Sep 07, 2017 2:49 pm Thanked: 6 times Followed by:5 members If \(xy \ne 0,\) is \(x^3 + y^3 > 0 ?\) by Vincen » Thu Jan 14, 2021 12:07 pm Timer 00:00 Your Answer A B C D E Global Stats If \(xy \ne 0,\) is \(x^3 + y^3 > 0 ?\) (1) \(x + y > 0\) (2) \(xy > 0\) Answer: A Source: Official Guide Top Quote