# Calculus 2

posted by
**Tom**
.

Hello,

I don't know what test to use for this series:

Determine the sum of the following series:

inf E n=1 (2^n + 9^n) / 12^n

thank you!

posted by
**Tom**
.

Hello,

I don't know what test to use for this series:

Determine the sum of the following series:

inf E n=1 (2^n + 9^n) / 12^n

thank you!