Answer and Explanation
Your Answer is
Correct Answer is J
Explanation
The original formula is Sn+1 - 3 = 2(Sn - 3), Sn - 3 is a geometric sequence , the common ratio is 2
S1-3=1, S5-3=16, S5= 19
Your Answer is
Correct Answer is J
Explanation
The original formula is Sn+1 - 3 = 2(Sn - 3), Sn - 3 is a geometric sequence , the common ratio is 2
S1-3=1, S5-3=16, S5= 19