Solve 2log₃8: Step-by-Step Logarithm Equation Solution

2log38= 2\log_38=

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Step-by-step video solution

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00:00 Solve
00:03 We'll use the formula for the logarithm of a power
00:11 We'll use this formula in our exercise
00:21 Let's calculate the power
00:25 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

2log38= 2\log_38=

2

Step-by-step solution

To solve this problem, let's simplify 2log382\log_3 8 using logarithm rules.

  • Step 1: Recognize the expression form
    The expression is of the form alogbca \cdot \log_b c, where a=2a = 2, b=3b = 3, and c=8c = 8.
  • Step 2: Apply the power property
    According to the power property of logarithms, 2log382 \cdot \log_3 8 can be simplified to log3(82)\log_3 (8^2).
  • Perform the calculation
    Calculate 828^2, which is 6464.
  • Step 3: Simplify further
    Therefore, we have log364\log_3 64.

This is a straightforward application of the power property of logarithms. By applying this property correctly, we've simplified the original expression correctly.

Therefore, the simplified form of 2log382\log_3 8 is log364\log_3 64.

3

Final Answer

log364 \log_364

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\( \frac{1}{\log_49}= \)

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