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# Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are

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Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are [#permalink]

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20 Feb 2004, 05:23
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are decreased by 1, which of the following must be true?
a. the new value of Y is Z greater than its original value.
b. the new value of Y is greater than the new value of Z.
c. The new value of Y is smaller than its original value.
d. The new values of Y and Z are equal.
e. None of the above.
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20 Feb 2004, 07:24
Should be E as we don't know the sign of the values.
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