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x + y | < | x | + | y |? (1) X Y < 0 (2) X < Y

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x + y | < | x | + | y |? (1) X Y < 0 (2) X < Y [#permalink] New post 11 Nov 2007, 07:04
| x + y | < | x | + | y |?

(1) X Y < 0
(2) X < Y

Thank you for your solutions in advance..
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 [#permalink] New post 11 Nov 2007, 08:10
I'll go with (A)

One value is -ve. So sum so definetly less then the sum of mod of individual values.


Eg

|-3 + 2| < |-3| + |2|
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 [#permalink] New post 11 Nov 2007, 08:36
A. for me too
i think this question has been discussed million times. could not find the thread
  [#permalink] 11 Nov 2007, 08:36
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x + y | < | x | + | y |? (1) X Y < 0 (2) X < Y

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