Solved: In Exercises 7376, (a) find the determinant of A, (b) find A1, (c) find det(A1)
Chapter 8, Problem 76(choose chapter or problem)
Exploration In Exercises 73-76, (a) find the determinant of A, (b) find \(A^{-1}\), (c) find det\(\left(A^{-1}\right)\), and (d) compare your results from parts (a) and (c). Make a conjecture based on your results.
\(A=\left[\begin{array}{rrr} -1 & 3 & 2 \\ 1 & 3 & -1 \\ 1 & 1 & -2 \end{array}\right]\)
Text Transcription:
A^-1
(A^-1)
A = [_1 1 -2 ^1 3 -1 ^^-1 3 2]
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