Precalculus Examples

$\sum_{1}^{110} 11$

Step 1

The formula for the summation of a constant is:

$\sum_{k = 1}^{n} c = c n$

Step 2

Substitute the values into the formula.

$(11) (110)$

Step 3

Multiply $11$ by $110$ .

$1210$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$