1. (1-3) y' + (Int) y = 2t, y(1) = 2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Please answer Problem #1
general, of nonlinear equations. A
equation may well have a solution involving an arbitrary constant, the
solutions. There is no general formula for solutions of nonlinear equat
to integrate a nonlinear equation, you are likely to obtain an equatic
implicitly rather than explicitly. Finally, the singularities of solutions o
can usually be found only by solving the equation and examining the so-
the singularities will depend on the initial condition as well as on the di
Problems
In each Problems 1 through 4, determine (without solving the
problem) an interval in which the solution of the given initial value
problem is certain to exist.
1. (1-3) y' + (Int) y = 2t, y(1) = 2
y(t) = 0
y' + (tant) y = sint,
(4-12) y' + 2ty = 3t², y(-3) = 1
2.
3.
4. (Int) y' + y = cott, y(2) = 3
In each of Problems 5 through 8, state where in the ty-plane the
G
hypotheses of Theorem 2.4.2 are satisfied. 2000 17.
5. y'=(1-1² - y²) 1/2
Exa
In |ty|
1-1² + y²
7. y' = (1² + y²) 3/2
1+1²
6.
y' =
8. y' =
In ea
sketc
how
depe
G
3y - y²
In each of Problems 9 through 12, solve the given initial value problem
and determine how the interval in which the solution exists depends
on the initial value yo.
9. y' = -4t/y,
y(0) = yo
G
18.
Transcribed Image Text:general, of nonlinear equations. A equation may well have a solution involving an arbitrary constant, the solutions. There is no general formula for solutions of nonlinear equat to integrate a nonlinear equation, you are likely to obtain an equatic implicitly rather than explicitly. Finally, the singularities of solutions o can usually be found only by solving the equation and examining the so- the singularities will depend on the initial condition as well as on the di Problems In each Problems 1 through 4, determine (without solving the problem) an interval in which the solution of the given initial value problem is certain to exist. 1. (1-3) y' + (Int) y = 2t, y(1) = 2 y(t) = 0 y' + (tant) y = sint, (4-12) y' + 2ty = 3t², y(-3) = 1 2. 3. 4. (Int) y' + y = cott, y(2) = 3 In each of Problems 5 through 8, state where in the ty-plane the G hypotheses of Theorem 2.4.2 are satisfied. 2000 17. 5. y'=(1-1² - y²) 1/2 Exa In |ty| 1-1² + y² 7. y' = (1² + y²) 3/2 1+1² 6. y' = 8. y' = In ea sketc how depe G 3y - y² In each of Problems 9 through 12, solve the given initial value problem and determine how the interval in which the solution exists depends on the initial value yo. 9. y' = -4t/y, y(0) = yo G 18.
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