Solve the following system of differential equations using the elimination method: {y′1 = −11y1 + 4y2 + 2 {y'2 = −20 y1 + 7 y2 + 3x With elimination, you get a second-order differential equation. What are the roots of the characteristic equation? Answer: Give general solutions. The variable for the solutions is x. y1 (x) = y2 (x) =

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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Solve the following system of differential equations using the elimination method:

{y′1 = −11y1 + 4y2 + 2
{y'2 = −20 y1 + 7 y2 + 3x

With elimination, you get a second-order differential equation. What are the roots of the characteristic equation?

Answer:

Give general solutions. The variable for the solutions is x.

y1 (x) =

y2 (x) =

Ratkaise seuraava differentiaaliyhtälösysteemi eliminointimenetelmällä:
-11 y1+4 y2 + 2
-20 yı+7 y2 + 3x
Eliminoinnilla saat toisen kertaluvun differentiaaliyhtälön. Mitkä ovat karakteristisen yhtälön juuret?
Anna juuret muodossa {A1, A2} eli esim. {2, 3}.
Vastaus:
Anna yleiset ratkaisut. Ratkaisujen muuttujana on x.
Y1 (x) =
Y2 (x) =
Vastaa tehtävän kaikkiin kohtiin jotain. Muuten vastauksiasi ei arvostella.
Transcribed Image Text:Ratkaise seuraava differentiaaliyhtälösysteemi eliminointimenetelmällä: -11 y1+4 y2 + 2 -20 yı+7 y2 + 3x Eliminoinnilla saat toisen kertaluvun differentiaaliyhtälön. Mitkä ovat karakteristisen yhtälön juuret? Anna juuret muodossa {A1, A2} eli esim. {2, 3}. Vastaus: Anna yleiset ratkaisut. Ratkaisujen muuttujana on x. Y1 (x) = Y2 (x) = Vastaa tehtävän kaikkiin kohtiin jotain. Muuten vastauksiasi ei arvostella.
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