(a)
The radius of convergence of the series
(a)
Answer to Problem 16RE
The radius of convergence for is
Explanation of Solution
Given information:
The given series is,
Formula used:
Ratio test is used.
Calculation:
If the sequence of partial sum has a limit as
Now,
It is a geometric series with common ratio
Therefore,
That gives,
Since,
Therefore, the radius of convergence for is
Conclusion: The radius of convergence for is
(b)
The interval of convergence of the series
(b)
Answer to Problem 16RE
The series always converges for interval
Explanation of Solution
Given information:
The given series is,
Formula used:
Ratio test is used.
Calculation:
Since,
Therefore,
The series always converges for interval
Conclusion:
The series always converges for interval
(c)
The series
(c)
Answer to Problem 16RE
The series always converges absolutely for interval
Explanation of Solution
Given information:
The given series is,
Formula used:
Ratio test is used.
Calculation:
Since,
From equation (1) and (2) as shown below,
Therefore,
The series always converges absolutely for interval
Conclusion:
The series always converges absolutely for interval
(d)
The series
(d)
Answer to Problem 16RE
There is no point of conditional convergence.
Explanation of Solution
Given information:
The given series is,
Formula used:
Ratio test is used.
Calculation:
There is no point of conditional convergence.
Conclusion:
There is no point of conditional convergence.
Chapter 10 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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