$\"\"$

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(a)

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The logarithmic expression is $\"\"$ .

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Quotient property of logarithm : $\"\"$ , where $\"\"$ .

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$\"\"$

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Product property of logarithm : $\"\"$ , where $\"\"$ .

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$\"\"$

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Power property of logarithm : $\"\"$ , where $\"\"$ .

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$\"\"$

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

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$\"\"$

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(b)

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The logarithmic expression is $\"\"$ .

\

Quotient property of logarithm : $\"\"$ , where $\"\"$ .

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$\"\"$

\

Power property of logarithm : $\"\"$ , where $\"\"$ .

\

$\"\"$

\

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

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$\"\"$

\

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

\

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