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Source: — Data Sufficiency |
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by sirisha.g » Sat Aug 28, 2010 11:05 pm
IMO A.
statement 1) x^3=-8=> x=-2 so u will get a unique value.
statement 2) x=-/x/ only when x is negative. but will get a number of values of x so getting a unique value for /x/^3 is not possible.

I feel it's a good question.
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