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\pagestyle{fancy} \lhead{{\sf Homework 8 $|$ Due October 14
    (Wednesday) }} \rhead{\thepage} \cfoot{{\sf Math 8530 $|$ Linear
    Algebra $|$ Fall 2020 $|$ M.~Macauley}}


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$\;$

\noindent\emph{Read}: Lax, Chapter 6, pages 69--76. \\

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