Indices : Quant Question Archive [LOCKED]
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 09 Dec 2016, 00:04

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Indices

Author Message
Manager
Joined: 02 Sep 2008
Posts: 103
Followers: 1

Kudos [?]: 82 [0], given: 1

Show Tags

14 Mar 2009, 16:46
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Q12:
Which of the following is equal to [1/( SQRT(3)- SQRT(2))]2
A. 1
B. 5
C. SQRT(6)
D.5 - SQRT(6)
E. 5 + 2 SQRT(6)
Intern
Joined: 14 Mar 2009
Posts: 3
Followers: 0

Kudos [?]: 0 [0], given: 0

Show Tags

14 Mar 2009, 17:05
x = [1/( SQRT(3)- SQRT(2))]2
x=1^2/( SQRT(3)- SQRT(2))^2
x=1/(5-2SQRT(6))
x=[1*(5+2SQRT(6))]/[(5-2SQRT(6))*(5+2SQRT(6))]
x=(5+2SQRT(6))

Ans : E
Re: Indices   [#permalink] 14 Mar 2009, 17:05
Display posts from previous: Sort by