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Troyanec [42]
3 years ago
5

Which expression is equivalent to log Subscript 12 Baseline (StartFraction one-half Over 8 w EndFraction?

Mathematics
1 answer:
Travka [436]3 years ago
5 0

The options are:

(A)log_{12}8-log_{12}\frac{1}{2}+log_{12}w\\(B)log_{12}\frac{1}{2}-(log_{12}8+log_{12}w)\\(C)log_{12}\frac{1}{2}-log_{12}8+log_{12}w\\(D)\frac{log_{12}\frac{1}{2}}{log_{12}8}+log_{12}w

Answer:

[B] log_{12}\frac{1}{2}- (log_{12}8+ log_{12}w).

Step-by-step explanation:

Given the expression:

log_{12}\dfrac{\frac{1}{2}}{8w}

<u>Step 1:</u> Apply the division law of logarithm

log_{x}\dfrac{a}{b}= log_x}a- log_{x}b

Therefore:

log_{12}\dfrac{\frac{1}{2}}{8w}= log_{12}\frac{1}{2}- log_{12}{8w}

<u>STEP 2</u>:Apply the multiplication law of logarithm.

log_{x}ab= log_{x}a+ log_{x}b

Therefore:

log_{12}{8w}=  log_{12}8+ log_{12}w

<u>STEP 3:</u> Substitute the result from step 2 into the result from step 1

log_{12}\dfrac{\frac{1}{2}}{8w}= log_{12}\frac{1}{2}- (log_{12}8+ log_{12}w).

The correct option is B.

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