+ | | 5. 25 dr dx dt x(0) + W dy dt dy dt - 2x = 1 - 3x - 3y = 2 0, y(0) = 0

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
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solve problem 5

 

EXERCISES 8.2
Answers to odd-numbered problems begin on page A-18
In Problems 1-12 use the Laplace transform to solve the given system of t
ferential equations.
9.
dx
1. =-x+y
3.
11.
7.
dy
dt
x(0) = 0, y(0) = 1
dx
dt
5. 2
=2r
= x - 2y
5x-1
dt
x(0) = -1, y(0) = 2
dx dy
+
dt
dt
dx
dt
dy
+== -3x - 3y = 2
dt
x(0) = 0, y(0) = 0
+x=y=0
di²
d'y
dr² + y - x = 0
2x
x(0) = 0, x'(0) = -2,
y(0) = 0, y'(0) = 1
d'x
d'y
diª
d'x
+
dr
d'y
di²
+3
= 4t
x(0) = 8, x'(0) = 0,
y(0) = 0, y'(0) = 0
d³x
di
d²x
dy
dt
= 1
+3y=0
+ 3y = te
x(0)=0, x'(0) = 2, v(0) = 0
2.
4.
6.
8.
10.
12.
dx
dt
dy
dt
x(0) = 1, y(0) = 1
dx
dr
= 2y + e
<= 8x-t
dx
dt
dx
dt
+ 3x +
x(0) = 0, y(0) = 0
dy
dt
+ X-
dx
dt
dx
dt
x+
dx
dy
dt
dr
x(0) = 0, y(0) = 1
dix
dx
dy
dr²2
dt
dt
dx
dy
di
dy
dt
dt
dy
dt
+
d'y dy
+
diª dt
x(0) = 1, x'(0) = 0,
y(0) = -1, y'(0)=5
y=e
4x +
21
+ y = 0
+ 2y = 0
2
4 <=0
dt
di²³
0
d'y
di
x(0) = 0, y(0) = 0.
y'(0) = 0, y" (0) = 0
= 6 sin
= 0
= 4x - 2y + 2/(1-1
= 3x - y + (1-
Transcribed Image Text:EXERCISES 8.2 Answers to odd-numbered problems begin on page A-18 In Problems 1-12 use the Laplace transform to solve the given system of t ferential equations. 9. dx 1. =-x+y 3. 11. 7. dy dt x(0) = 0, y(0) = 1 dx dt 5. 2 =2r = x - 2y 5x-1 dt x(0) = -1, y(0) = 2 dx dy + dt dt dx dt dy +== -3x - 3y = 2 dt x(0) = 0, y(0) = 0 +x=y=0 di² d'y dr² + y - x = 0 2x x(0) = 0, x'(0) = -2, y(0) = 0, y'(0) = 1 d'x d'y diª d'x + dr d'y di² +3 = 4t x(0) = 8, x'(0) = 0, y(0) = 0, y'(0) = 0 d³x di d²x dy dt = 1 +3y=0 + 3y = te x(0)=0, x'(0) = 2, v(0) = 0 2. 4. 6. 8. 10. 12. dx dt dy dt x(0) = 1, y(0) = 1 dx dr = 2y + e <= 8x-t dx dt dx dt + 3x + x(0) = 0, y(0) = 0 dy dt + X- dx dt dx dt x+ dx dy dt dr x(0) = 0, y(0) = 1 dix dx dy dr²2 dt dt dx dy di dy dt dt dy dt + d'y dy + diª dt x(0) = 1, x'(0) = 0, y(0) = -1, y'(0)=5 y=e 4x + 21 + y = 0 + 2y = 0 2 4 <=0 dt di²³ 0 d'y di x(0) = 0, y(0) = 0. y'(0) = 0, y" (0) = 0 = 6 sin = 0 = 4x - 2y + 2/(1-1 = 3x - y + (1-
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