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. Where a₁ is the first term and r the common ratio. The second term is as follows.
Where is the nth term of the sequence is the first term in the sequence and is the common ratio.
Explicit formula for recursive geometricarithmatic series. Uₙarⁿ¹ Uₙ2X6ⁿ¹ Therefore the explicit formula for the sequence f n is given as. F n 2X6ⁿ¹. There are two ways to describe this pattern of continuation.