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A.
x < -1 or x > 1
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B.
-1 < x < 1
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C.
x > 0
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D.
x < -1
Correct Answer: Option A
Explanation
(x\(^2\) - 1) > 0
x\(^2\) > 1
Taking the square root of both sides
x >1 or x < -1
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