What is the explicit formula of -1,-3,-9,-27

1 answer:

TEA [102]3 years ago

3 0

Answer:

(-1)* (3)^(n-1)

Step-by-step explanation:

common ratio is 3 and the first term is -1

the explicit formula is a * r^ ( n-1)

i.e., (-1) * 3^(n-1)

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