Write the system in the form 1-1 4]+ x' = etx7ty + 4 sin(t) - y = 8 tan(t)y + 4x − 4 cos(t) d ["] = P(0) ["] dt + f(t). help (formulas) help (matrices) Note: Use prime notation for derivatives and write x and x', etc., instead of x(t), x'(t), or da.

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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8. Ordinary Differential Equations 

**Transcription**

**Task:** Write the system

\[ x' = e^{4t} x - 7ty + 4 \sin(t) \]

\[ y' = 8 \tan(t) y + 4x - 4 \cos(t) \]

in the form

\[
\frac{d}{dt} 
\begin{bmatrix} 
x \\ 
y 
\end{bmatrix} 
= 
P(t)
\begin{bmatrix} 
x \\ 
y 
\end{bmatrix} 
+ 
\vec{f}(t).
\]

**Matrix Setup:**

\[
\begin{bmatrix} 
\text{[ ]} \\ 
\text{[ ]} 
\end{bmatrix} 
= 
\begin{bmatrix} 
\text{[ ]} & \text{[ ]} \\ 
\text{[ ]} & \text{[ ]} 
\end{bmatrix} 
\begin{bmatrix} 
x \\ 
y 
\end{bmatrix} 
+ 
\begin{bmatrix} 
\text{[ ]} \\ 
\text{[ ]} 
\end{bmatrix} 
\]

**Helpful Resources:**
- Help (formulas)
- Help (matrices)

**Note:** Use prime notation for derivatives and write \( x \) and \( x' \), etc., instead of \( x(t) \), \( x'(t) \), or \( \frac{dx}{dt} \).
Transcribed Image Text:**Transcription** **Task:** Write the system \[ x' = e^{4t} x - 7ty + 4 \sin(t) \] \[ y' = 8 \tan(t) y + 4x - 4 \cos(t) \] in the form \[ \frac{d}{dt} \begin{bmatrix} x \\ y \end{bmatrix} = P(t) \begin{bmatrix} x \\ y \end{bmatrix} + \vec{f}(t). \] **Matrix Setup:** \[ \begin{bmatrix} \text{[ ]} \\ \text{[ ]} \end{bmatrix} = \begin{bmatrix} \text{[ ]} & \text{[ ]} \\ \text{[ ]} & \text{[ ]} \end{bmatrix} \begin{bmatrix} x \\ y \end{bmatrix} + \begin{bmatrix} \text{[ ]} \\ \text{[ ]} \end{bmatrix} \] **Helpful Resources:** - Help (formulas) - Help (matrices) **Note:** Use prime notation for derivatives and write \( x \) and \( x' \), etc., instead of \( x(t) \), \( x'(t) \), or \( \frac{dx}{dt} \).
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