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what is the recursive formula for this geometric sequence?
A sequence usually has a position-to-value function. Alternatively, it can be derived from the recursive relationship that defines the sequence.
A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.
Recursive Form
Yes. The next two numbers would be 49 & 58. This is because, from the first number, the pattern repeats by adding 10 then 9. So - 39+19 is 49, and 49+9=58.