One question from GMAT Prep test. I am not able to solve it, Can any one help me in find ing the answer?
then what would be the value of 2 (x+y)^2 / 2 (x-y)^2
The answer it showing as D (16)
. I didn't understand the answer!
With the given information (i.e., XY=1) how can we solve the given equation?.