Find the radius of convergence, R, of the series. 2 2(-1)"nx" n = 1 R = Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) I = 2. -/1 points SCalcET8 11.8.007.MI. Find the radius of convergence, R, of the series. xn+ 5 5n! n = 2 R = Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) I = 3. -1 points SCalcET8 11.8.010. Find the radius of convergence, R, of the series. n = 1 R = Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) I =