Fundamentals of Technical Mathematics

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Chapter 8 Review exercises

Perform the operations that are defined, given the following matrices in problems 1–16.

A = [\begin{matrix} - 3 & 2 \\ 4 & 0 \end{matrix}]

B = [\begin{matrix} 5 & - 2 \\ 1 & 6 \end{matrix}]

C = [\begin{matrix} - 2 & 3 \end{matrix}]

D = [\begin{matrix} 4 \\ - 5 \end{matrix}]

, and

E = [\begin{matrix} 2 & 1 & 0 \\ - 1 & - 2 & 3 \\ 4 & 5 & 7 \end{matrix}]

Find:

1. AB

2. CD

3. CB

4. AD

5. A + B

6. C + D

7. A + C

8. 3A − 2B

9. CA + C

10. A⁻¹

11. ...

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