Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 26 May 2017, 01:13

### 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

# Z^Z|=Z^2 find all integer roots. Z is not 0

Author Message
Director
Joined: 26 Feb 2006
Posts: 901
Followers: 4

Kudos [?]: 123 [0], given: 0

Z^Z|=Z^2 find all integer roots. Z is not 0 [#permalink]

### Show Tags

13 May 2007, 23:54
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

|Z^Z|=Z^2 find all integer roots. Z is not 0.
Intern
Joined: 29 Jan 2007
Posts: 17
Followers: 0

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

### Show Tags

15 May 2007, 05:50
Sergey_is_cool wrote:
I got 1, -1, and 2

I don't agree with -1.

-1^-1 = - 1/10 => 1/10
-1^2= 1

Therefore it is only 1 and 2.
SVP
Joined: 01 May 2006
Posts: 1796
Followers: 9

Kudos [?]: 154 [0], given: 0

### Show Tags

15 May 2007, 05:58
transatlantiker wrote:
Sergey_is_cool wrote:
I got 1, -1, and 2

I don't agree with -1.

-1^-1 = - 1/10 => 1/10
-1^2= 1

Therefore it is only 1 and 2.

-1 is in too

If Z=-1, then
o |Z^Z|= |(-1)^-1| = |1/(-1)| = |-1| = 1
o Z^2 = (-1)^2 = 1

So, |Z^Z| = Z^2
SVP
Joined: 01 May 2006
Posts: 1796
Followers: 9

Kudos [?]: 154 [0], given: 0

### Show Tags

15 May 2007, 06:22
transatlantiker wrote:
Fig wrote:
transatlantiker wrote:
Sergey_is_cool wrote:
I got 1, -1, and 2

I don't agree with -1.

-1^-1 = - 1/10 => 1/10
-1^2= 1

Therefore it is only 1 and 2.

-1 is in too

If Z=-1, then
o |Z^Z|= |(-1)^-1| = |1/(-1)| = |-1| = 1
o Z^2 = (-1)^2 = 1

So, |Z^Z| = Z^2

You are right... I was stupid. THX.

You are not right ... U are not stupid (just a mistake )... U are welcome
Director
Joined: 26 Feb 2006
Posts: 901
Followers: 4

Kudos [?]: 123 [0], given: 0

### Show Tags

15 May 2007, 08:41
Fig wrote:
transatlantiker wrote:
Fig wrote:
transatlantiker wrote:
Sergey_is_cool wrote:
I got 1, -1, and 2

I don't agree with -1.

-1^-1 = - 1/10 => 1/10
-1^2= 1

Therefore it is only 1 and 2.

-1 is in too

If Z=-1, then
o |Z^Z|= |(-1)^-1| = |1/(-1)| = |-1| = 1
o Z^2 = (-1)^2 = 1

So, |Z^Z| = Z^2

You are right... I was stupid. THX.

You are not right ... U are not stupid (just a mistake )... U are welcome

you are right .................he/she is not..................
15 May 2007, 08:41
Display posts from previous: Sort by