Calculus Examples

$\sum_{i = 2}^{8} \frac{2}{i}$

Step 1

Expand the series for each value of $i$ .

$\frac{2}{2} + \frac{2}{3} + \frac{2}{4} + \dots + \frac{2}{8}$

Step 2

Simplify the expanded form.

$\frac{481}{140}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{481}{140}$

Decimal Form:

$3.43571428 \dots$

Mixed Number Form:

$3 \frac{61}{140}$