\

Principal Income is $\"\"$ .

\

Rate of interest $\"\"$ .

\

The invested amount is $\"\"$

\

Find the time period when compounded monthly.

\

$\"\"$ .

\

For monthly compounded $\"\"$ .

\

Substitute all the values in the equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The time period is $\"\"$ years.

\

\

Find the time period when compounded continuously.

\

$\"\"$

\

Sunstitute $\"\"$ , $\"\"$ and $\"\"$ in the above equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The time period is $\"\"$ years.

\

\

$\"\"$ years and $\"\"$ years.