Evaluate \( \log_{2} 8 - \log_{3} \frac{1}{9} \)

Assessment: JAMB UTME - Mathematics - 2018 Subject: General Mathematics

Question 1 Report

Evaluate \( \log_{2} 8 - \log_{3} \frac{1}{9} \)

Answer Details
log 2  8 – log 3   1 9
= log  2  2 3  – log 3  9 − 1
= log 2  2 3  – log 3  3 − 2
Based on law of logarithm
= 3 log 2  2 – (-2 log 3  3)
But log 2  2 = 1,
log 3  3 = 1
So, = 3 + 2
= 5

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