$\"\"$

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The equation is $\"\"$ .

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Apply logarithm on each side of the equaion.

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$\"\"$

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Power property of logarithms : $\"\"$ .

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$\"\"$

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$\"\"$

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Therefore, the value of $\"\"$ is $\"\"$ .

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$\"\"$

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The value of $\"\"$ is $\"\"$ .