Solve Complex Fraction: 2x/(log₈9) ÷ log₉8 Simplification

2xlog89log98= \frac{\frac{2x}{\log_89}}{\log_98}=

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Step-by-step video solution

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00:00 Solve
00:04 Let's break down the multiplication from the fraction
00:14 We'll use the formula of dividing 1 by log
00:17 We'll get the log of the inverse number and base
00:27 We'll use this formula in our exercise
00:40 Let's reduce what we can
00:44 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

2xlog89log98= \frac{\frac{2x}{\log_89}}{\log_98}=

2

Step-by-step solution

To solve this problem, we will simplify the expression 2xlog89log98\frac{\frac{2x}{\log_8 9}}{\log_9 8}.

Step 1: Apply the inverse log property.

The property logba×logab=1\log_b a \times \log_a b = 1 states that these logs are multiplicative inverses.

Thus, log89×log98=1\log_8 9 \times \log_9 8 = 1, meaning 1log98=log89\frac{1}{\log_9 8} = \log_8 9.

Step 2: Substitute log89\log_8 9 with 1log98\frac{1}{\log_9 8} in the original fraction.

Given the expression is 2xlog89log98\frac{\frac{2x}{\log_8 9}}{\log_9 8}, it becomes:

2x1log98×1log98=2x×1=2x\frac{2x}{\frac{1}{\log_9 8}} \times \frac{1}{\log_9 8} = 2x \times 1 = 2x.

Step 3: Simplify the expression.

The multiplication results in the cancelling of the logarithmic terms through the multiplicative inverse relationship.

Therefore, the solution to the problem is 2x2x.

3

Final Answer

2x 2x

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

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