Determine Whether the Series $\sum _ { n = 1 } ^ { \infty } \frac { n - 1 } { 5 n + 1 }$

Q189: Find a formula for the general

Q190: Find the Taylor series for

Q191: Find a power series representation for

Q192: Test the following series for convergence

Q193: Find the second-degree Taylor polynomial of

Q195: Use the 3rd-degree Taylor polynomial of

Q196: A sequence is defined by

Q197: Given <span class="ql-formula" data-value="\sum _

Q198: Find the sum of the series

Q199: Determine whether the given series is