For what values of xxx does the series ∑n=1∞(x2−2)n\sum_{n=1}^{\infty} (x^2-2)^n∑n=1∞(x2−2)n converge?
∣x∣<3|x| < \sqrt{3}∣x∣<3
1<∣x∣<31 < |x| < \sqrt{3}1<∣x∣<3
∣x∣<1|x| < 1∣x∣<1
−1<x<1-1 < x < 1−1<x<1