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# If x is not zero, then /x = ? 1) -1 2) 0 3) 1 4) x 5) lxl/x

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Intern
Joined: 09 Jun 2007
Posts: 24
If x is not zero, then /x = ? 1) -1 2) 0 3) 1 4) x 5) lxl/x  [#permalink]

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04 Jun 2008, 17:49
1
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If x is not zero, then [SQRT(x^2)]/x = ?
1) -1
2) 0
3) 1
4) x
5) lxl/x

Would you explain this question please? I will post the OA shortly. Thank you!

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Director
Joined: 23 Sep 2007
Posts: 621

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04 Jun 2008, 17:55
this is a trick question to trick you into picking choice 3

if x = -1

then substitute -1 into the equation and the result will be 1/(-1)

which you can reason to be |x|/x
Director
Joined: 05 Jan 2008
Posts: 553

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04 Jun 2008, 23:21
sqrt of X^2 is +- x thus

+- x/x would be +- 1 thus E

--== Message from the GMAT Club Team ==--

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This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Non-Human User
Joined: 09 Sep 2013
Posts: 13242
Re: If x is not zero, then /x = ? 1) -1 2) 0 3) 1 4) x 5) lxl/x  [#permalink]

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26 Sep 2018, 02:14
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Re: If x is not zero, then /x = ? 1) -1 2) 0 3) 1 4) x 5) lxl/x   [#permalink] 26 Sep 2018, 02:14
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