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

Mathematics
JAMB 2010

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\(^2\) - 1) > 0

x\(^2\) > 1

Taking the square root of both sides

x >1 or x < -1

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now