3rd term of the given, a1 = 100, r = -1/4.
12th term of the given a1 = -5, r = 1/4.
2nd term of the given, a1 = 100, r = -1/4.
Sum of the 1st 12 terms of the given, a1 = -5, r = 1/4.
2nd term of the given, a1 = -5, r = 1/4.
Sum of the first 12 term of the given, a1 = 100, r = -1/4.
3rd term of the given, a1 = -5, r = 1/4.
12th term of the given, a1 = 100, r = -1/4