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# Is m =1? 1)m^3=m 2)m^4=1

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Current Student
Joined: 28 Dec 2004
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Is m =1? 1)m^3=m 2)m^4=1 [#permalink]

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12 Aug 2007, 14:46
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Is m =1?
1)m^3=m
2)m^4=1

Kudos [?]: 322 [0], given: 2

Director
Joined: 11 Jun 2007
Posts: 909

Kudos [?]: 292 [0], given: 0

Re: DS - easy one [#permalink]

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12 Aug 2007, 15:12
fresinha12 wrote:
Is m =1?
1)m^3=m
2)m^4=1

i get E for the answer

1)m^3=m
m could be 1, or -1
insufficient

2)m^4=1
again m could be 1 or -1
insufficient

Kudos [?]: 292 [0], given: 0

Director
Joined: 26 Feb 2006
Posts: 900

Kudos [?]: 161 [0], given: 0

Re: DS - easy one [#permalink]

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12 Aug 2007, 18:50

1: m could be 0, -1 and 1.
2: m could be -1 or 1.

nsffff.

Kudos [?]: 161 [0], given: 0

Re: DS - easy one   [#permalink] 12 Aug 2007, 18:50
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