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# Find an integer N. (1) ^ =4 (2) N^4=16

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VP
Joined: 30 Jun 2008
Posts: 1026
Find an integer N. (1) ^ =4 (2) N^4=16 [#permalink]

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08 Oct 2008, 22:36
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Find an integer N.

(1) [N]^[N]=4
(2) N^4=16
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"You have to find it. No one else can find it for you." - Bjorn Borg

Manager
Joined: 10 Aug 2008
Posts: 74
Re: DS : Power Trouble [#permalink]

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09 Oct 2008, 01:56
Alone First is Suffucient ,
Because the only value of N in eq 1st satisfy is 2.
But for 2nd equation N can be 2 or -2.
Re: DS : Power Trouble   [#permalink] 09 Oct 2008, 01:56
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