- #1

trigger352

- 18

- 0

*explicit formula*and writing the series in

*sigma notation*with a specified

*lower limit*.

In both of them, I cannot tell where one term ends and the other begins, or what to do when the sign changes.

**Series #1**

[tex]- 2 - 5 - 8 - 11 - 14 - 17 - 20[/tex];

*lower limit = [tex]3[/tex]*

**Series #2**

[tex]4.4 + 2.4 + 0.4 - 1.6 - 3.6 - 5.6 - 7.6[/tex];

*lower limit = [tex]2[/tex]*