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Find the value of log_3 ⁢1/9. - Mathematics

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Question

Find the value of `log_3  1/9`.

Sum
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Solution

To find the value of `log_3  1/9`, express `1/9`as a power of 3:

`9 = 3^2 ⇒ 1/9 = 3^-2`

So, `log_3(1/9) = log_3(3^-2) = -2`

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Chapter 7: Logarithms - EXERCISE 7A [Page 72]

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B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 7 Logarithms
EXERCISE 7A | Q 3. (iii) | Page 72
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