Consider the following geometric sequence -5, 10, -20, 40,..... if the recursive formula for the sequence above expressed in the

Question

dem82 [27]

3 years ago

12

Consider the following geometric sequence -5, 10, -20, 40,..... if the recursive formula for the sequence above expressed in the

form a(n)=b*c^n-1, determine the value of b and c.

Mathematics

1 answer:

MAXImum [283] · Answer 1 · 2022-03-28T15:59:14+03:00

MAXImum [283]3 years ago

3 0

B is -5 and C is -2. Since -5 is the first number, a(1) is bc^0 and that would make c = 1. B would need to be -5. In the second number, since we know b is -5, c would need to be -2 and anything to the 2-1 is just the same value.