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Express the following in logarithmic form: 3^2 = 9 - Mathematics

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Question

Express the following in logarithmic form:

32 = 9

Sum
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Solution

Given: 32 = 9

Step-wise calculation:

  1. By definition, if an = b then logab = n.
  2. Here a = 3, n = 2, b = 9, so log39 = 2.

32 = 9 ⇔ log39 = 2

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Chapter 7: Logarithms - Exercise 7A [Page 140]

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Nootan Mathematics [English] Class 9 ICSE
Chapter 7 Logarithms
Exercise 7A | Q 1. (iii) | Page 140
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