GMAT Question of the Day – DS Exponents – April 21st
What is the value of x? (1) x^6 = |x| (2) x^3 = x [spoiler]E.[/spoiler] Solution: Statement (1): This tells us that x must be 1, -1, or 0. No other number will satisfy this equation. Insufficient. Statement (2): This also tells us that x must be 1, -1, or 0. Insufficient. Statement (1) + […]
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