$\"\"$

The total amount $\"\"$ , where $\"\"$ is principle, $\"\"$ is rate and $\"\"$ is time.

The invetsed amount is $\"\"$ .

The rate of interest is $\"\"$ .

The total amount is $\"\"$ . \ \

Find the time when compounded continuously.

Substitute $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ years. \ \

$\"\"$

$\"\"$ years. \ \