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Find x if log\(_9\)x = 1.5

Mathematics
JAMB 2021

Find x if log\(_9\)x = 1.5

  • A. 27
  • B. 15
  • C. 3.5
  • D. 32
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Correct Answer: Option A
Explanation

If log\(_9\)x = 1.5,

9\(^{1.5}\) = x

9^\(\frac{3}{2}\) = x

(√9)\(^3\) = 3

∴ x = 27

There is an explanation video available below.


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Explanation Video

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post UTME Past Questions Agent
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now