bacali Master | Next Rank: 500 Posts View User Profile Posts: 245 Joined: Thu Aug 16, 2007 12:41 pm ds3 by bacali » Tue Dec 02, 2008 8:05 am If xy ≠ 0, what is the value of 1/x + 1/y ? (1) 1 / (x+y) = -1 (2) xy = 6(x+y) OA: B Top Quote