$\"\"$

Fifth partial sum of exponential series :

The power series representing $\"\"$ is called the exponential series and is given by

$\"\"$

Which is convergent for all values of $\"\"$ .

$\"\"$

The exponential is $\"\"$ .

$\"\"$ .

$\"\"$

The approximate value of $\"\"$ using the fifth partial sum of exponential series is $\"\"$ .