In Exercises 2124, find the determinant of the matrix. Expand by cofactors on each

Chapter 8, Problem 21

(choose chapter or problem)

Finding a Determinant In Exercises 21-24, find the determinant of the matrix. Expand by cofactors on each indicated row or column.

\(\left[\begin{array}{rrr} -3 & 2 & 1 \\ 4 & 5 & 6 \\ 2 & -3 & 1 \end{array}\right]\)

(a) Row 1

(b) Column 2

Text Transcription:

[_2  -3  1  ^4  5  6  ^^-3  2  1]

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