9. Given that y = ce cos x + ce sin x is a two-paramet solutions of y" - 2y' + 2y = 0 on the interval (-∞,0), determine whether a member of the family can be found that satisfies the condi- tions (a) y(0) = 1, (s) y(0) = 1 y'(0) = 0 Y(π/2) = 1 (b) y(0) = 1, (d) y(0) = 0, y() = -1 y(T) = 0 of coluti.
9. Given that y = ce cos x + ce sin x is a two-paramet solutions of y" - 2y' + 2y = 0 on the interval (-∞,0), determine whether a member of the family can be found that satisfies the condi- tions (a) y(0) = 1, (s) y(0) = 1 y'(0) = 0 Y(π/2) = 1 (b) y(0) = 1, (d) y(0) = 0, y() = -1 y(T) = 0 of coluti.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Can someone please help me solve 9,15,17
![9. Given that y = ce' cos x + ce sin x is a two-parameter
solutions of y" - 2y' + 2y = 0 on the interval (-∞,00), determine
whether a member of the family can be found that satisfies the condi-
tions
(a) y(0) = 1,
(c) y(0) = 1,
10. Given that y =
of xy" - 5xy'
y'(0) = 0
y(π/2) = 1
(b) y(0) = 1,
y(t) = -1
(d) y(0) = 0, y(T) = 0
₁² +₂²¹ + 3 is a two-parameter family of solutions
+ 8y = 24 on the interval (-∞, ∞), determine whether
a member of the family can be found that satisfies the conditions
(a) y(-1) = 0, y(1) = 4
(b) y(0) = 1, y(1) = 2
y(2) = 15
(c) y(0) = 3, y(1) = 0
(d) y(1) = 3,
In Problems 11 and 12 find an interval around x = 0 for which the given
initial-value problem has a unique solution.
11. (x - 2)y" + 3y = x; y(0) = 0, y'(0) = 1
12. y" + (tan.x)y=e*; y(0) = 1, y'(0) = 0
13. Given that y = C₁ cos Ax + C₂ sin Ax is a family of solutions of the dif-
ferential equation y" + ²y = 0, determine the values of the parameter
À for which the boundary-value problem
y" + x²y = 0, y(0) = 0, y(π) = 0
has nontrivial solutions.
14. Determine the values of the parameter À for which the boundary-value
problem
y" + A²y = 0, y(0) = 0, y(5) = 0
has nontrivial solutions. See Problem 13.
4.1.2 Linear Dependence and Linear Independence
In Problems 15-22 determine whether the given functions are linearly inde-
pendent or dependent on (-∞, ∞).
15. f(x) = x,
f(x) = x²,
16. f₁(x) = 0,
f₂(x) = x,
17. fi(x) = 5,
f₂(x) = cos²x,
f(x) = sin²x
18. f(x) = cos 2x, f(x) = 1,
f3(x) = cos²x
19. f(x) = x, f(x) = x - 1, f3(x) = x + 3
20. fi(x) = 2 + x,
f₂(x) = 2 + |x|
21. f(x) = 1 + x,
f₂(x) = x, f(x) = x²
22. fi(x) = et, f2(x) = ex, f(x) = sinh x
f3(x) = 4x - 3x²
f(x) = ex
In Problems 23-28 show by computing the Wronskian that the given func
tions are linearly independent on the indicated interval.
23. x¹, x²; (0, ∞)
24. 1 + x, x³; (-∞∞)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F25de04cf-e2a5-404e-a320-bf8f0014cf68%2F32169c4c-42dc-4223-82ea-54aa533f5bbd%2F0akkpeo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. Given that y = ce' cos x + ce sin x is a two-parameter
solutions of y" - 2y' + 2y = 0 on the interval (-∞,00), determine
whether a member of the family can be found that satisfies the condi-
tions
(a) y(0) = 1,
(c) y(0) = 1,
10. Given that y =
of xy" - 5xy'
y'(0) = 0
y(π/2) = 1
(b) y(0) = 1,
y(t) = -1
(d) y(0) = 0, y(T) = 0
₁² +₂²¹ + 3 is a two-parameter family of solutions
+ 8y = 24 on the interval (-∞, ∞), determine whether
a member of the family can be found that satisfies the conditions
(a) y(-1) = 0, y(1) = 4
(b) y(0) = 1, y(1) = 2
y(2) = 15
(c) y(0) = 3, y(1) = 0
(d) y(1) = 3,
In Problems 11 and 12 find an interval around x = 0 for which the given
initial-value problem has a unique solution.
11. (x - 2)y" + 3y = x; y(0) = 0, y'(0) = 1
12. y" + (tan.x)y=e*; y(0) = 1, y'(0) = 0
13. Given that y = C₁ cos Ax + C₂ sin Ax is a family of solutions of the dif-
ferential equation y" + ²y = 0, determine the values of the parameter
À for which the boundary-value problem
y" + x²y = 0, y(0) = 0, y(π) = 0
has nontrivial solutions.
14. Determine the values of the parameter À for which the boundary-value
problem
y" + A²y = 0, y(0) = 0, y(5) = 0
has nontrivial solutions. See Problem 13.
4.1.2 Linear Dependence and Linear Independence
In Problems 15-22 determine whether the given functions are linearly inde-
pendent or dependent on (-∞, ∞).
15. f(x) = x,
f(x) = x²,
16. f₁(x) = 0,
f₂(x) = x,
17. fi(x) = 5,
f₂(x) = cos²x,
f(x) = sin²x
18. f(x) = cos 2x, f(x) = 1,
f3(x) = cos²x
19. f(x) = x, f(x) = x - 1, f3(x) = x + 3
20. fi(x) = 2 + x,
f₂(x) = 2 + |x|
21. f(x) = 1 + x,
f₂(x) = x, f(x) = x²
22. fi(x) = et, f2(x) = ex, f(x) = sinh x
f3(x) = 4x - 3x²
f(x) = ex
In Problems 23-28 show by computing the Wronskian that the given func
tions are linearly independent on the indicated interval.
23. x¹, x²; (0, ∞)
24. 1 + x, x³; (-∞∞)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
As per our guidelines we can answer only first question and rest can be reposted.
Here we have to find which one is the member of family of given solution.
Step by step
Solved in 4 steps with 3 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
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