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The set {x : x^2 - 2 = 0 and x is rational} is
Athe set {√2}
Bthe empty set
Cthe set {2}
Dthe set {±√2}
Answer & Solution
Correct answer: B. the empty set
The roots of x^2 = 2 are irrational, so no rational number satisfies the equation.
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