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

 It is currently 23 Aug 2016, 14:38

### 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
Your Progress

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

# Is a^n > b^n?

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:

### Hide Tags

Director
Joined: 28 Jul 2011
Posts: 563
Location: United States
Concentration: International Business, General Management
GPA: 3.86
WE: Accounting (Commercial Banking)
Followers: 2

Kudos [?]: 179 [0], given: 16

Is a^n > b^n? [#permalink]

### Show Tags

14 Dec 2011, 03:38
00:00

Difficulty:

(N/A)

Question Stats:

63% (01:41) correct 38% (00:33) wrong based on 8 sessions

### HideShow timer Statistics

Is a^n > b^n?

(1) a > b
(2) n is any positive quantity
[Reveal] Spoiler: OA

_________________

+1 Kudos If found helpful..

Intern
Joined: 12 Oct 2011
Posts: 20
Location: United States
GMAT 1: 720 Q50 V36
Followers: 0

Kudos [?]: 20 [1] , given: 5

Re: Is a^n > b^n? [#permalink]

### Show Tags

14 Dec 2011, 04:26
1
This post received
KUDOS
Quote:
I thought the answer is C, but the OA is E? How can it be,can anyone please explain?

lets say
a=2
b=1
n = 2
a^n = 4
b^n = 1
a^n>b^n

a = -1
b = -2
n = 2
a^n = 1
b^n = 4
here a^n < b^n

Do you see where you went wrong?
Retired Moderator
Status: 2000 posts! I don't know whether I should feel great or sad about it! LOL
Joined: 04 Oct 2009
Posts: 1712
Location: Peru
Schools: Harvard, Stanford, Wharton, MIT & HKS (Government)
WE 1: Economic research
WE 2: Banking
WE 3: Government: Foreign Trade and SMEs
Followers: 89

Kudos [?]: 783 [0], given: 109

Re: Is a^n > b^n? [#permalink]

### Show Tags

14 Dec 2011, 11:39
+1 E

Don't forget to consider the case when a and b are both negative.
_________________

"Life’s battle doesn’t always go to stronger or faster men; but sooner or later the man who wins is the one who thinks he can."

My Integrated Reasoning Logbook / Diary: http://gmatclub.com/forum/my-ir-logbook-diary-133264.html

GMAT Club Premium Membership - big benefits and savings

Director
Joined: 28 Jul 2011
Posts: 563
Location: United States
Concentration: International Business, General Management
GPA: 3.86
WE: Accounting (Commercial Banking)
Followers: 2

Kudos [?]: 179 [0], given: 16

Re: Is a^n > b^n? [#permalink]

### Show Tags

15 Dec 2011, 18:39
Thanks a lot Guys got it..............
_________________

+1 Kudos If found helpful..

Re: Is a^n > b^n?   [#permalink] 15 Dec 2011, 18:39
Similar topics Replies Last post
Similar
Topics:
1 Is a^n– b^n+ c^n+ d^n odd, if a, b, c, d, and n are distinct positive 3 01 Aug 2016, 10:43
2 Is r > s ? 6 01 Oct 2010, 08:58
1 Is a > b ? 5 25 Aug 2010, 02:11
8 If a^m = b^n and if a ≠ b ≠ m ≠ n, what is the value of a + b + m + n? 3 31 Jan 2010, 20:32
A home owner must pick b/n paint A, which cost \$6.00 per 12 14 Sep 2009, 10:30
Display posts from previous: Sort by

# Is a^n > b^n?

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group and phpBB SEO Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.