write 4 Given that = 3 -5 4 2 3 4 as a linear combination of the vectors -5 4 -5+ -5 3 3 -2 5 -4 -3 -5 5 2 3 + 3 -2 -4 0 1 0 0 1 - - 27 23 125 23 166 23 [3]

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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Question
Given that

\[
\begin{bmatrix}
3 & -5 & 3 & 2 \\
-5 & 3 & -2 & 4 \\
4 & 5 & -4 & -3
\end{bmatrix}
\sim
\begin{bmatrix}
1 & 0 & 0 & -\frac{27}{23} \\
0 & 1 & 0 & -\frac{125}{23} \\
0 & 0 & 1 & -\frac{166}{23}
\end{bmatrix},
\]

write 

\[
\begin{bmatrix}
2 \\
4 \\
-3
\end{bmatrix}
\]

as a linear combination of the vectors

\[
\begin{bmatrix}
3 \\
-5 \\
4
\end{bmatrix},
\begin{bmatrix}
-5 \\
3 \\
5
\end{bmatrix},
\begin{bmatrix}
3 \\
-2 \\
-4
\end{bmatrix}.
\]

\[
\begin{bmatrix}
2 \\
4 \\
-3
\end{bmatrix}
=
\boxed{} 
\begin{bmatrix}
3 \\
-5 \\
4
\end{bmatrix}
+
\boxed{}
\begin{bmatrix}
-5 \\
3 \\
5
\end{bmatrix}
+
\boxed{}
\begin{bmatrix}
3 \\
-2 \\
-4
\end{bmatrix}.
\]
Transcribed Image Text:Given that \[ \begin{bmatrix} 3 & -5 & 3 & 2 \\ -5 & 3 & -2 & 4 \\ 4 & 5 & -4 & -3 \end{bmatrix} \sim \begin{bmatrix} 1 & 0 & 0 & -\frac{27}{23} \\ 0 & 1 & 0 & -\frac{125}{23} \\ 0 & 0 & 1 & -\frac{166}{23} \end{bmatrix}, \] write \[ \begin{bmatrix} 2 \\ 4 \\ -3 \end{bmatrix} \] as a linear combination of the vectors \[ \begin{bmatrix} 3 \\ -5 \\ 4 \end{bmatrix}, \begin{bmatrix} -5 \\ 3 \\ 5 \end{bmatrix}, \begin{bmatrix} 3 \\ -2 \\ -4 \end{bmatrix}. \] \[ \begin{bmatrix} 2 \\ 4 \\ -3 \end{bmatrix} = \boxed{} \begin{bmatrix} 3 \\ -5 \\ 4 \end{bmatrix} + \boxed{} \begin{bmatrix} -5 \\ 3 \\ 5 \end{bmatrix} + \boxed{} \begin{bmatrix} 3 \\ -2 \\ -4 \end{bmatrix}. \]
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