GMATPrep DS -

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GMATPrep DS -

by shahab03 » Thu Sep 11, 2008 1:02 pm

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by sethids » Thu Sep 11, 2008 1:46 pm
Stmt1: x(x + 2) = 0
Either x = 0 or x = -2. Insufficient.

Stmt2: x = 0. sufficient to evaluate the value of given expression.

Hence B.