9514 1404 393
Answer:
- a[1] = -6
- a[n] = 0.2·a[n-1]
Step-by-step explanation:
For a geometric sequence, the next term is the present term multiplied by the common ratio. Of course, the first term is the given one.
a[1] = -6 . . . . . . first term
a[n] = 0.2·a[n-1] . . . . . . last term multiplied by the common ratio
