$/4$ Points$]$

SCALCET$91$

This question has several parts that must be completed sequent

Tutorial Exercise

Use any test to determine whether the series is absolutely

${\displaystyle \underset{n=1}{\overset{}{}}}\frac{(-1{)}^{n}arctan(n)}{n^{11}}$

Step $1$

We know that the arctangent function has lower and upper li

Step $2$

Therefore

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