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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: 690
Followers: 5

Kudos [?]: 30 [0], given: 0

For all integers n, n*=n(n-1). What is the value of x? 1) x* [#permalink]  14 Jan 2005, 17:17
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0% (00:00) correct 0% (00:00) wrong based on 1 sessions
For all integers n, n*=n(n-1). What is the value of x?

1) x* = x
2) (x-1)*= x-2
VP
Joined: 18 Nov 2004
Posts: 1441
Followers: 2

Kudos [?]: 22 [0], given: 0

"B". First one gives 2 solutions 0 and 2 and second one just 2...so suff.
Director
Joined: 21 Sep 2004
Posts: 612
Followers: 1

Kudos [?]: 9 [0], given: 0

this one is from kaplan too. its B.
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