tj123 Senior | Next Rank: 100 Posts View User Profile Posts: 85 Joined: Mon Dec 08, 2008 12:09 am anyone remember seeing an X^2- Y^2 = some number, question by tj123 » Sun Feb 15, 2009 6:10 pm Anyone know where i can find the PS question that looks something like this: (x^2) - (Y^2) = (a single digit number, like 7 or 4) Ans are just numbers like: A) 5 B) 6 C)10 D)13 E) 5 Top Quote
