Answer:
Step-by-step explanation:
Compare same to same, make ratios (they look like fractions) cross multiply to solve.
Small/Large
=10/15 = 2/3
2/3 = 12/m
18 = m
2/3 = AB/24
16 = AB
2/3 = 13/WZ
19.5 = WZ
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Given:
The geometric sequence is
To find:
The explicit formula for the given geometric sequence.
Solution:
We have, a geometric sequence
Here,
First term :
Common ratio :
The explicit formula of a geometric sequence is
where, a is first term and r is common ratio.
Putting and r=3, we get
Therefore, the correct option is c.
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