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4.2.2(c) Example 3 (Change of Base of Logarithms)

Example 3
Given that log 3 x = b  , express log x 9 x in term of b.



Example 4
Given that log 2 3 = 1.585   and log 2 5 = 2.322  , evaluate the following.
(a) log 8 15
(b) log 5 0.6
(c) log 15 30
(d) log 16 45

Solution:









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