Verified Answer :

kaevras

Divide by negative 3 each time.


3 / -3 = -1

-1 / -3 = 1/3

1/3 / -3 = -1/9

apologiabiology

geometric, times -1/3 each time
the common ratio is -1/3
first term is 3
the explicit formula is
\(a_n=3( \frac{-1}{3})^{n-1}\) or
\(a_n=-9( \frac{-1}{3})^{n}\)
with the domain being {1,2,3,4}

Related Questions