series


Summary

Rules for convergent series

Convergence tests

comparison -> test against similar geometric series or p-series
ratio -> series involving factorials
root -> series involving the nth power

Useful logarithm for evaluating limits with exponents

Concept

Series

Sequence of partial sums, and its limit

divergent and convergent similar to sequences

Property of convergent series

Convergent geometric series

p-series

Bounded from above

Convergence of absolute series

else it is conditionally convergent

Application

Convergent geometric series

factorize to get n-1

Breakdown into partial sums for telescoping series

Alternating series test