Solved: In 1118, proceed as in Example 3 to construct an orthogonal matrix from the
Chapter 8, Problem 12(choose chapter or problem)
In Problems 11–18, proceed as in Example 3 to construct an orthogonal matrix from the eigenvectors of the given symmetric matrix. (The answers are not unique.)
\(\left(\begin{array}{ll} 7 & 0 \\ 0 & 4 \end{array}\right)\)
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