Find the interval of convergence for the power series $$$\sum_{n=1}^{\infty} n^{n} x^{2 n}$$$.

$x=0$

$x \in(-\sqrt{2}, \sqrt{2})$

$x \in(-2,2)$

$x \in(-\infty, \infty)$

Calculus

College Board

Exam No：AP Calculus Unit 10 Questions Set 2 Year：2024 Question No：30

Answer:

10.13 Radius and Interval of Convergence of Power Series

10.8 Ratio Test for Convergence

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