Manhattan GMAT Forums Forum Index

Reply to topic
What is the value of expression (2(x+y)^2) / (2(x-y)^2)
amollate@gmail.com
Guest


Reply with quote
Hi,

The following is the GMAT Prep problem.

If xy = 1, What is the value of (2(x+y)^2) / (2(x-y)^2)

A. 2
B. 4
C. 8
D. 16
E. 32

The answer is D. Can you please explain the solution?
Ron Purewal
MGMAT STAFF

Joined: 08 Oct 2007
Posts: 2295

Reply with quote
http://www.manhattangmat.com/forums/if-xy-1-what-is-the-value-of-2-x-y-2-2-x-y-2-t2912.html
What is the value of expression (2(x+y)^2) / (2(x-y)^2)
All times are GMT - 5 Hours  
Page 1 of 1  

  
  
 Reply to topic