CalculusChallengeInfinite Sequences and Series ShareInfinite Sequences and Series · Challenge problemFind the radius and full interval of convergence of ∑n=1∞n (x+2)n3n\displaystyle\sum_{n=1}^{\infty}\frac{n\,(x+2)^{n}}{3^{n}}n=1∑∞3nn(x+2)n. Test both endpoints.A(1,−5)(1, -5)(1,−5)B(−5,1)(-5,1)(−5,1)C(5,1)(5, 1)(5,1)D(−5,−1)(-5, -1)(−5,−1)Check Show answer Walk through it step by step Practice more like this Review this concept