Answer
$C^TC=\begin{bmatrix}
71
\end{bmatrix}$
$trc(C^TC)=71$
Work Step by Step
$C^TC=\begin{bmatrix}
-5 & -6 & 3 & 1
\end{bmatrix} .\begin{bmatrix}
-5\\
-6 \\
3\\
1
\end{bmatrix}=\begin{bmatrix}
71
\end{bmatrix}$
Hence here, $tr(C^TC)=71$
Differential Equations and Linear Algebra (4th Edition)
by Goode, Stephen W.; Annin, Scott A.
Published by
Pearson
ISBN 10:
0-32196-467-5
ISBN 13:
978-0-32196-467-0
Chapter 2 - Matrices and Systems of Linear Equations - 2.9 Chapter Review - Additional Problems - Page 192: 9
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