After the first term in a sequence, the ratio of each term to the preceding term is r. If the first term is a, what is the third
term?
1 answer:
Answer:
The 3rd term is
Step-by-step explanation:
From the given information, the first term of the sequence is
The common ratio of the sequence is
The explicit formula for a geometric sequence is :
To find the third term, we put n=3 to get:
This simplifies to:
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