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Question
Evaluate the following by converting into exponential form:
log32 2
Evaluate
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Solution
Given: log32 2
Step-wise calculation:
Let x = log32 2.
By definition of logarithm:
32x = 2
Write 32 as 25:
(25)x = 2
⇒ 25x = 21
⇒ 5x = 1
⇒ `x = 1/5`
`log_(32) 2 = 1/5`, equivalently `32^(1/5) = 2`.
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Chapter 7: Logarithms - Exercise 7A [Page 140]
