The recursive formula for a geometric sequence with common ratio r and first term a 1 is 1132 a n r a n 1 n 2 How to. Natalia is writing a recursive formula to represent the sequence8 12 18 27What value should she use as the common ratio in the formula. F 8 1220703125.
An 42n1 a n 4 2 n - 1.
F 8 2 25 8-1 f 8 2 257. Where a₁ 6 and r -. F 8 1220703125. The recursive formula can be obtained by analyzing a general pattern as we did in the previous two examples.