Let

$f(x)={\displaystyle \underset{n=1}{\overset{}{}}}\frac{x^n}{n^2}$

Find the intervals of convergence for $f.($Enter your answers using interval notation.$)$

$$

Find the intervals of convergence for $f^{\text{'}}.$

$$

Let

$f(x)={\displaystyle \underset{n=1}{\overset{}{}}}\frac{x^n}{n^2}$

Find the intervals of convergence for $f.($Enter your answers using interval notation.$)$

$$

Find the intervals of convergence for $f^{\text{'}}.$

$$