Precalculus Examples

$- 2 + 5 - 8 + 11 - 14 + 17 - 20 + 23$

Step 1

The series given is not geometric. Therefore, the infinite sum cannot be calculated.

No solution

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