$\"\"$

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(a)

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The expression is $\"\"$ .

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

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$\"\"$

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Property of natural logarithms: $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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(b)

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The logarithmic expression is $\"\"$ .

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Property of natural logarithms: $\"\"$ ..

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$\"\"$

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$\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ .