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Shiv
Guest
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 Posted: Sun Jul 01, 2007 11:25 am |
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-X = |-X|
does X=0 satisfies above condition
or 0 cannot be evaluated in this condition as 0 can neither be +ve nor -ve
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Stacey Koprince
MGMAT STAFF
| Joined: 06 Mar 2007 |
| Posts: 2667 |
Location: San Francisco
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| Posted: Mon Jul 02, 2007 1:39 pm |
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You can place a negative sign in front of zero, so in this set-up, it's fine to use zero. If something were described as a negative number, though, then you couldn't use zero.
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