$\"\"$

(a)

The series is $\"\"$ .

$\"\"$

Therefore, $\"\"$ are required to approximate the sum of the series with an error less

than $\"\"$ .

$\"\"$

(b)

Graph:

Graph the sequence $\"\"$ from $\"\"$ to $\"\"$ :

$\"\"$

Observe the graph:

The value of the sequence $\"\"$ to $\"\"$ are listed.

Find $\"\"$ .

$\"\"$

$\"\"$ $\"\"$ .

$\"\"$

(a). $\"\"$ are required to approximate the sum of the series with an error less than $\"\"$ .

(b). $\"\"$ $\"\"$ .