$\"\"$

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(a).

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The equation is $\"\"$ .

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Rewrite $\"\"$ in exponential form using a definition of logarithm.

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Definition of logarithm: If $\"\"$ and $\"\"$ are positive real numbers and $\"\"$ then $\"\"$ is equivalent to $\"\"$ .

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$\"\"$

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Apply logarithmic formula: $\"\"$ if and only if $\"\"$ .

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$\"\"$ .

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The value of $\"\"$ .

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$\"\"$

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(b).

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The equation is $\"\"$ .

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Rewrite $\"\"$ in exponential form using a defination of logarithm.

\

Definition of logarithm function: If $\"\"$ and $\"\"$ are positive real numbers and $\"\"$ then $\"\"$ is equivalent to $\"\"$ .

\

$\"\"$

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Apply logarithmic formula: $\"\"$ if and only if $\"\"$ .

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$\"\"$ .

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The value of $\"\"$ .

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$\"\"$

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(a). The value of $\"\"$ .

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(b). The value of $\"\"$ .