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Identify the common ratio in the geometric sequence. 81, 27, 9, 3, 1, , ...DD DD
Step 1: The sequence can be written as, 81, (81 x ), (27 x ), (9 x ), (3 x ), (1 x )...
Step 2: Each term of the above sequence is obtained by multiplying the preceding term by a fixed number .
Step 3: This fixed number is called the common ratio.
Step 4: is the common ratio of the sequence.