1. The series an 3211+]. =n [2n]: is a geometric series. {1] What is its first term a? a = {ii} What is its reasen r? {iii} What is its sum 5? Write 333 if the series is divergent. S: 2. The series 93n+1 (30 ) 2 is a geometric series. (i) What is its first term a? (ii) What is its reason r? (iii) What is its sum S? Write 333 if the series is divergent. S= 3.Calculate the sum of the series 24 72 216 8 + 5 + 25 125 + . . . if it is convergent. Otherwise enter 333. sum =