our work on additional pieces of paper. (1) Consider the system of equations x- 2y + 3z = 9 -x+3y-z = -6 2x - 5y + 5z = 17 (a) Write the system as a linear combination of vectors. (b) Write the system as an augmened matrix. (c) Write the system as matrix multiplication, A = b.
our work on additional pieces of paper. (1) Consider the system of equations x- 2y + 3z = 9 -x+3y-z = -6 2x - 5y + 5z = 17 (a) Write the system as a linear combination of vectors. (b) Write the system as an augmened matrix. (c) Write the system as matrix multiplication, A = b.
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
![**Directions: Discuss and solve the following problems in your groups. Recommended: put your work on additional pieces of paper.**
1. **Consider the system of equations**
\[
\begin{cases}
x - 2y + 3z = 9 \\
-x + 3y - z = -6 \\
2x - 5y + 5z = 17
\end{cases}
\]
(a) Write the system as a linear combination of vectors.
(b) Write the system as an augmented matrix.
(c) Write the system as matrix multiplication, \( A\vec{x} = \vec{b} \).
(d) **Without solving the system, how can we use the matrix \( A \) to check whether or not a solution exists?** List at least 3 ways.
(e) Solve the system by row-reduction.
(f) Solve the system by matrix inversion.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e6b1be0-596d-4af1-a341-a1c152f1c814%2F952c2fce-a91e-42b6-ac31-5c0dedeced63%2Fhu8eo1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Directions: Discuss and solve the following problems in your groups. Recommended: put your work on additional pieces of paper.**
1. **Consider the system of equations**
\[
\begin{cases}
x - 2y + 3z = 9 \\
-x + 3y - z = -6 \\
2x - 5y + 5z = 17
\end{cases}
\]
(a) Write the system as a linear combination of vectors.
(b) Write the system as an augmented matrix.
(c) Write the system as matrix multiplication, \( A\vec{x} = \vec{b} \).
(d) **Without solving the system, how can we use the matrix \( A \) to check whether or not a solution exists?** List at least 3 ways.
(e) Solve the system by row-reduction.
(f) Solve the system by matrix inversion.
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