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Attempt following question by selecting a choice to answer.
B
Identify the common ratio in the geometric sequence.
81, 27, 9, 3, 1,
1
3
,
...
f B
A.
B
1
2
B.
B
1
3
C.
B
3
D.
B
2
B
B
View Solution Steps
Step 1: The sequence can be written as, 81, (81 x
1
3
), (27 x
1
3
), (9 x
1
3
), (3 x
1
3
), (1 x
1
3
)
...
Step 2: Each term of the above sequence is obtained by multiplying the preceding term by a fixed number
1
3
.
Step 3: This fixed number is called the common ratio.
Step 4:
1
3
is the common ratio of the sequence.
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