BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Help in confirming answer

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Master | Next Rank: 500 Posts
Posts: 127
Joined: Sat Apr 19, 2008 1:02 am
Thanked: 12 times

by jasonc » Fri May 30, 2008 2:47 pm
3^-(x + y) / 3^-(x - y)
=3^-(x + y) * 3^(x - y)
=3^[-(x + y) + (x - y)]
=3^[-x - y + x - y]
=3^(-2y)

answer should be B
Top
User avatar
Master | Next Rank: 500 Posts
Posts: 127
Joined: Tue May 13, 2008 12:28 am
Thanked: 2 times
GMAT Score:710

by airan » Sun Jun 01, 2008 1:14 am
Answer should be B as solving results in 3^ -2y.
Thanks
Airan
Top
Post new topic Post Reply
• Page 1 of 1