The Determinant of a Matrix Sum In Exercises 1518, find (a) A, (b) B, (c) A + B, and (d)
Chapter 3, Problem 16(choose chapter or problem)
In Exercises 15–18, find (a) |A|, (b) |B|, (c) A + B, and (d) |A + B|. Then verify that |A| |B| A B.
\(A=\left[\begin{array}{rr}
1 & -2 \\
1 & 0
\end{array}\right], \quad B=\left[\begin{array}{rr}
3 & -2 \\
0 & 0
\end{array}\right]\)
Text Transcription:
|cA| = c^n |A|
n times n
A=[1 -2
1 0],
B=[3 -2
0 0]
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