22 ]]] 十 x(0) = 4; y(0)= 19

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Hello, I am having a hard time finding x(t) and y(t), highlighted in yellow.  I have a feeling it has to do with how I am finding the c1 and c2 constants based upon applying Euler's formula for complex eigenvalues and eigenvectors.  Could you please check and if it is not right, please explain the steps clearly to resolve?  Appreciate your help, thank you!

22 X
MEAN
-37-12 Y
2₁ = -5 +5;
(A-AI) V = 0
2-(-5+51) 2
-37
7+51
تے
Q
75-2 17
12-(-541)
2
t
(7+51) V₁ + 2√₂ = 0
I[UE]
V₂
X (0) = 4; y (0) = 19
2₂ = -5-51
X₁ (t) = p (²5+51)+
7+51)
e
.-It (cost + i sint) (-2
17+51
V/₁
V/₂
อ
-2
開 [:]
+ G₂2₂
7
T
0
7550275-012
0
-21055
([7. 105 56 - 5 sinf7] + Giet [ - 2 sin 5t
st
L7 cossz +5 sin st
0
[23/1 = = ²
⇒-2C₁ = 4
G=-2
-76₁+ C₂ = -19
7(-2) + (₂=-19
5=23
_x²+) = (-2X-2) €²²7 (05 5+ + (-5)(-₂) esinst
-57,
= че-я cosst +10 e-sin 5t
y (t) = (-2) (7) € ²³ 405 47-50-2²sin 57 +57 (7) 6²40557
+ bestsinst
= 14 escos St +35 et os st
+ De-st sin st
Transcribed Image Text:22 X MEAN -37-12 Y 2₁ = -5 +5; (A-AI) V = 0 2-(-5+51) 2 -37 7+51 تے Q 75-2 17 12-(-541) 2 t (7+51) V₁ + 2√₂ = 0 I[UE] V₂ X (0) = 4; y (0) = 19 2₂ = -5-51 X₁ (t) = p (²5+51)+ 7+51) e .-It (cost + i sint) (-2 17+51 V/₁ V/₂ อ -2 開 [:] + G₂2₂ 7 T 0 7550275-012 0 -21055 ([7. 105 56 - 5 sinf7] + Giet [ - 2 sin 5t st L7 cossz +5 sin st 0 [23/1 = = ² ⇒-2C₁ = 4 G=-2 -76₁+ C₂ = -19 7(-2) + (₂=-19 5=23 _x²+) = (-2X-2) €²²7 (05 5+ + (-5)(-₂) esinst -57, = че-я cosst +10 e-sin 5t y (t) = (-2) (7) € ²³ 405 47-50-2²sin 57 +57 (7) 6²40557 + bestsinst = 14 escos St +35 et os st + De-st sin st
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