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Determine the value of x for which (x\(^2\) - 1) > 0?

Mathematics
JAMB 2009

Determine the value of x for which (x\(^2\) - 1) > 0?

  • A. x < -1 or x > 1
  • B. -1 < x < 1
  • C. x > 0
  • D. x < -1
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Correct Answer: Option A
Explanation

x\(^2\) > 0
(x+1)(x-1) > 0
x = 1 or -1

x < -1 or x > 1

There is an explanation video available below.

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Explanation Video

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