Question

How do you find nth term rule for r=-2 and `a_1=6`?

Answer 1

`T_n = 6 xx -2^(n-1)`

Explanation:

If there is a common ratio, r, it must be a G P

In a GP, the general term is `T_n= ar^(n-1)`

`T_n = 6 xx -2^(n-1)`