Solved: Finding Determinants In Exercises 4350, find (a) AT , (b) A2 , (c) AAT , (d) 2A

Chapter 3, Problem 48

(choose chapter or problem)

In Exercises 43–50, find (a) \(\left|A^{T}\right|\), (b) \(\left|A^{2}\right|\), (c) \(\left|A A^{T}\right|\), (d) |2A|, and (e) \(\left|A^{-1}\right|\).

\(A=\left[\begin{array}{rrr}

4 & 1 & 9 \\

-1 & 0 & -2 \\

-3 & 3 & 0

\end{array}\right]\)

Text Transcription:

|A^T|

|A^2|

|A A^T|

|A^-1|

A=[4  1  9

-1  0  -2

-3  3  0]

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