At the bank, Sheila made 6 deposits, each in the same amount. Her sister Sherri made 5 deposits, each in the same amount. Each o
1 answer:
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Answer:
Option A is correct.
Step-by-step explanation:
Given: ;
for n = 2
=
for n =3
=
Simlarly , for n =4
=
and so on...
Common ratio(r) states that for a geometric sequence or geometric series, the common ratio is the ratio of a term to the previous term.
we have;
Now; by recursive formula for geometric series:
where is the first term and r is the common ratio:
Substitute the value of and
we have;
therefore, the explicit rule for the geometric sequence is;