Question

URGENT HELP PLEASE: What are the values of a1 and r of the geometric series?

Answer 1

Answer:

Third option is the correct choice.

Step-by-step explanation:

$a_1$ is the first term of the sequence which is given to be 1.

$r$ is the common ration which can be found as:

$r=\frac{3}{1}=3\quad r=\frac{9}{3}=3$

Best Regards!