Concept explainers
a.
To calculate:
Common ratio and first term of the sequence.
a.
Answer to Problem 42E
Common ratio for given series is
Explanation of Solution
Given information:
Calculation:
It is given that, the geometric sequence has
Apply the formula for the
The forth term of the geometric series is,
The seventh term of the geometric series is,
From above two equation,
From forth term, first term is,
Thus, Common ratio for given series is
b.
To calculate:
Twenty eighth term of the sequence.
b.
Answer to Problem 42E
Twenty eighth term of the sequence is
Explanation of Solution
Given information:
Calculation:
It is given that, the geometric sequence has
Apply the formula for the
The twenty eighth term of the geometric series is,
Thus, Twenty eighth term of the sequence is
Chapter 12 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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