मराठी

Simplify the following: log 8/log 4 - Mathematics

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प्रश्न

Simplify the following:

`log 8/log 4`

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उत्तर

Step 1: We know that

`(log ⁡a)/(log ⁡b) = log_b a`

So, `log 8/log 4 = log_4 8`

Step 2: Express 8 as a power of 4:

8 = `4^(3/2)`

Step 3: log4 8 = `log_4 (4^(3/2))`

= `3/2 log_4 4`

Since log⁡4 4 = 1,

log4 8 = `3/2`

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पाठ 7: Logarithms - EXERCISE 7B [पृष्ठ ७५]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
पाठ 7 Logarithms
EXERCISE 7B | Q 8. (ii) | पृष्ठ ७५
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