Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 28 May 2015, 20:56

### 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

# find the value of the expression

Author Message
TAGS:
Director
Joined: 23 Sep 2007
Posts: 794
Followers: 5

Kudos [?]: 101 [0], given: 0

find the value of the expression [#permalink]  21 Jun 2008, 14:04
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
find the value of the expression
Attachments

question2.gif [ 653 Bytes | Viewed 526 times ]

Senior Manager
Joined: 06 Mar 2006
Posts: 497
Followers: 7

Kudos [?]: 92 [0], given: 1

Re: mgmat PS [#permalink]  21 Jun 2008, 19:12
gmatnub wrote:
find the value of the expression

3sqrt80=12sqrt5

3(9-4sqrt5)/[(9+4sqrt5)(9-4sqrt5)]=27-12sqrt5/(81-80)=27-12sqrt

sqrt(12sqrt5+27-12sqrt5)=sqrt27

do they have sqrt27 as answer? Or you can simplify it to 3sqrt3
Re: mgmat PS   [#permalink] 21 Jun 2008, 19:12
Similar topics Replies Last post
Similar
Topics:
42 Find the value of 24 28 Jun 2012, 02:10
8 Find the minimum value of an expression 2 (x^2) + 3 (y^2) - 7 13 Nov 2010, 13:11
values for the expression 2 05 May 2008, 06:06
The aristocratic values expressed in the writings of 4 22 Sep 2006, 02:05
The aristocratic values expressed in the writings of 10 24 Aug 2006, 08:10
Display posts from previous: Sort by