Pie, anyone?

Calculus Level 2

\[\begin{eqnarray}\large 1+\frac{1}{4}+\frac{1}{9}+\frac{1}{16}+\ldots &=& \large \frac{π^2}{6} \\
\large 1+\frac{1}{9}+\frac{1}{25}+\frac{1}{49}+\ldots &=& \large \ ? \end{eqnarray} \]

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