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Find integer K (1) K=|K|! (2) K^2=|K| Post a full solution.

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SVP
SVP
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Joined: 03 Feb 2003
Posts: 1613
Followers: 6

Kudos [?]: 57 [0], given: 0

Find integer K (1) K=|K|! (2) K^2=|K| Post a full solution. [#permalink] New post 18 Jun 2003, 22:57
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:34) wrong based on 2 sessions
Find integer K

(1) K=|K|!
(2) K^2=|K|

Post a full solution. I want to see whether you miss roots.
Manager
Manager
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Joined: 03 Jun 2003
Posts: 84
Location: Uruguay
Followers: 1

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

 [#permalink] New post 19 Jun 2003, 07:38
From statement 1 = 1 and 2
From statement 2= 0 and 1

So the answer is C
SVP
SVP
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Joined: 03 Feb 2003
Posts: 1613
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Kudos [?]: 57 [0], given: 0

 [#permalink] New post 19 Jun 2003, 08:32
(1) K can be 1 or 2 - not enough
(2) K can be 0, 1, -1 - not enogh again

combine: K=1. The answer is C; yet, you have done an unforgivable mistake. :snipersmile:
Manager
Manager
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Joined: 03 Jun 2003
Posts: 84
Location: Uruguay
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Kudos [?]: 0 [0], given: 0

 [#permalink] New post 19 Jun 2003, 11:32
yes, you are right, it is unforgivable. thanks
SVP
SVP
User avatar
Joined: 03 Feb 2003
Posts: 1613
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Kudos [?]: 57 [0], given: 0

 [#permalink] New post 19 Jun 2003, 21:53
but I forgive you by the power given to me by the founder of this site.
  [#permalink] 19 Jun 2003, 21:53
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Find integer K (1) K=|K|! (2) K^2=|K| Post a full solution.

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