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Simplify the following: log 216/log 6 - Mathematics

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Question

Simplify the following:

`log 216/log 6`

Simplify
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Solution

Step 1: We know that

`(log ⁡a)/(log ⁡b) = log_b a`

So, `log 216/log 6 = log_6 216`

Step 2: Express 216 as a power of 6:

216 = 63

Step 3: log6 216 = log6 (63)

= 3 log6 6

Since log⁡6 6 = 1,

log6 216 = 3

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Chapter 7: Logarithms - EXERCISE 7B [Page 75]

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B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 7 Logarithms
EXERCISE 7B | Q 8. (iii) | Page 75
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