What is the interval of convergence for ∑n=0∞xn\sum_{n=0}^{\infty} x^n∑n=0∞xn?
(−1,1)(-1, 1)(−1,1)
[−1,1][-1, 1][−1,1]
(−1,1](-1, 1](−1,1]
[0,1)[0, 1)[0,1)