Question

Complete the recursive formula of the geometric sequence -0.3, 0.9, -2.7, 8.1, ....

Answer 1

An=-0.3*(-3)^(n-1)

Step-by-step explanation

-0.3*r=0.9

r=-3

An=-0.3*(-3)^(n-1)

Answer 2

b(1) = -0.3

b(n) = b(n-1) x -3

Explanation: