
Concept explainers
(a)
Whether it is possible to find a formula for the function y that does not involve any integrals.
(a)

Answer to Problem 35E
No, we cannot to find a formula for the function y that does not involve any integrals.
Explanation of Solution
Given information:
And
When
Since
Thus,
The differential equation cannot be solved for the formula of y.
However,
Only way to solve the differential equation is to write the series representation of
Then
Eliminate the constant term with the initial condition.
Therefore,
It is not possible to find a formula for the function y that does not involve any integrals.
(b)
Whether it is possible to represent y by a power series.
(b)

Answer to Problem 35E
Yes, we can represent y with a power series.
Explanation of Solution
Given information:
And
When
We have
Integrate:
But
On putting
Therefore,
y can be represented by power series.
(c)
Values of x for the power series actually equal the function y.
(c)

Answer to Problem 35E
Power series equals y for only
Explanation of Solution
Given information:
And
When
For some finite value of n,
The power series equals y when the error term is zero.
That occurs only for
According to the given initial condition,
For which
Therefore,
Power series equals y for only
Chapter 10 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
Additional Math Textbook Solutions
A First Course in Probability (10th Edition)
College Algebra with Modeling & Visualization (5th Edition)
Thinking Mathematically (6th Edition)
Algebra and Trigonometry (6th Edition)
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