The Determinant of a Scalar Multiple of a Matrix In Exercises 714, use the fact that cA
Chapter 3, Problem 11(choose chapter or problem)
In Exercises 7–14, use the fact that \(|c A|=c^{n}|A|\) to evaluate the determinant of the \(n \times n\) matrix.
\(A=\left[\begin{array}{rrr}
2 & -4 & 6 \\
-4 & 6 & -8 \\
6 & -8 & 10
\end{array}\right]\)
Text Transcription:
|cA| = c^n |A|
n times n
A=[2 -4 6
-4 6 -8
6 -8 10]
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