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# For all integers n, n*=n(n-1). What is the value of x? 1) x*

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Director
Joined: 07 Nov 2004
Posts: 683

Kudos [?]: 162 [0], given: 0

For all integers n, n*=n(n-1). What is the value of x? 1) x* [#permalink]

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14 Jan 2005, 18:17
00:00

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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions

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For all integers n, n*=n(n-1). What is the value of x?

1) x* = x
2) (x-1)*= x-2

Kudos [?]: 162 [0], given: 0

VP
Joined: 18 Nov 2004
Posts: 1431

Kudos [?]: 45 [0], given: 0

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14 Jan 2005, 18:26
"B". First one gives 2 solutions 0 and 2 and second one just 2...so suff.

Kudos [?]: 45 [0], given: 0

Director
Joined: 21 Sep 2004
Posts: 602

Kudos [?]: 35 [0], given: 0

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14 Jan 2005, 22:41
this one is from kaplan too. its B.

Kudos [?]: 35 [0], given: 0

14 Jan 2005, 22:41
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