Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1.7 part 3, 5 please on paper thank you
![## Matrix Multiplication Exercises
### In Exercises 3–6, find the product by inspection.
#### 3.
\[
\begin{pmatrix}
3 & 0 & 0 \\
0 & -1 & 0 \\
0 & 0 & 2 \\
\end{pmatrix}
\begin{pmatrix}
2 & 1 \\
-4 & 1 \\
2 & 5 \\
\end{pmatrix}
\]
#### 4.
\[
\begin{pmatrix}
1 & 2 & -5 \\
-3 & -1 & 0 \\
\end{pmatrix}
\begin{pmatrix}
-4 & 0 \\
0 & 3 \\
0 & 2 \\
\end{pmatrix}
\]
#### 5.
\[
\begin{pmatrix}
5 & 0 & 0 \\
0 & 2 & 0 \\
0 & 0 & -3 \\
\end{pmatrix}
\begin{pmatrix}
-3 & 2 & 0 & 4 & -4 \\
1 & -5 & 3 & 0 & 3 \\
-6 & 2 & 2 & 2 & 2 \\
\end{pmatrix}
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48922dd6-b6f8-4fac-84c6-05a7db5750f6%2F4d3bfed8-d23f-4764-8c6d-1d4f51e97e72%2Fnpc4b4i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Matrix Multiplication Exercises
### In Exercises 3–6, find the product by inspection.
#### 3.
\[
\begin{pmatrix}
3 & 0 & 0 \\
0 & -1 & 0 \\
0 & 0 & 2 \\
\end{pmatrix}
\begin{pmatrix}
2 & 1 \\
-4 & 1 \\
2 & 5 \\
\end{pmatrix}
\]
#### 4.
\[
\begin{pmatrix}
1 & 2 & -5 \\
-3 & -1 & 0 \\
\end{pmatrix}
\begin{pmatrix}
-4 & 0 \\
0 & 3 \\
0 & 2 \\
\end{pmatrix}
\]
#### 5.
\[
\begin{pmatrix}
5 & 0 & 0 \\
0 & 2 & 0 \\
0 & 0 & -3 \\
\end{pmatrix}
\begin{pmatrix}
-3 & 2 & 0 & 4 & -4 \\
1 & -5 & 3 & 0 & 3 \\
-6 & 2 & 2 & 2 & 2 \\
\end{pmatrix}
\]
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