$\"\"$

(a).

The equation is $\"\"$ .

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

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

$\"\"$

The value of $\"\"$ .

$\"\"$

(b).

The equation is $\"\"$ .

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

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

$\"\"$

The value of $\"\"$ .

$\"\"$

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

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