Question 5 1 pts Which of the following is a power series about 1: = II] ? 01 2 3 4 ++++... a: $2 $3 m4 03 E i E 3+4+5++m Question 6 1 pts Apply the ratio test on the power series (2x)" M 1=0 n+1 At which of the following 's does the series converge? Select all correct values. OC= -3 Jc= -1/2 Oc = 1/3 Ox =1/2 Oc=1Question 7 1 pts (x - 4) Consider the power series M 271 and choose the correct options below. n=0 . The center of the power series is [ Select ] . The radius of convergence of the series is [ Select ] . The series [ Select ] at c=1. . The series [ Select ] at C=6.