CalculusHardInfinite Sequences and Series ShareInfinite Sequences and Series · Hard problemFind the radius and interval of convergence of ∑n=1∞(x−1)nn2 4n\displaystyle\sum_{n=1}^{\infty}\frac{(x-1)^{n}}{n^{2}\,4^{n}}n=1∑∞n24n(x−1)n, checking both endpoints.A[−3,6][-3,6][−3,6]B[−6,5][-6,5][−6,5]C[+3,5][+3,5][+3,5]D[−3,5][-3,5][−3,5]Check Show answer Walk through it step by step Practice more like this Review this concept