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# if x != 0, then sqrt(x^2)/X= -1 0 1 x |x|/x

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Senior Manager
Joined: 05 Aug 2005
Posts: 411
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if x != 0, then sqrt(x^2)/X= -1 0 1 x |x|/x [#permalink]

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17 Feb 2006, 13:27
00:00

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

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if x != 0, then sqrt(x^2)/X=

-1
0
1
x
|x|/x
Director
Joined: 06 Feb 2006
Posts: 898
Followers: 3

Kudos [?]: 111 [0], given: 0

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17 Feb 2006, 15:38
And how exactly do you get x!=0....?

0!=1.....
Intern
Joined: 18 Feb 2006
Posts: 23
Followers: 0

Kudos [?]: 1 [0], given: 0

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19 Feb 2006, 05:11
x = -2.
(-2)^2 = 4.
sqrt(4) = 2.
2 / -2 = -1
B, C, D are out.

x = 2
2^2 = 4
sqrt(4) = 2,
2 / 2 = 1
A is out.

(E)
19 Feb 2006, 05:11
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