anyone remember seeing an X^2- Y^2 = some number, question

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tj123: Senior | Next Rank: 100 Posts; 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

Quote

Source: Beat The GMAT — Problem Solving | Sun Feb 15, 2009 6:10 pm

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