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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