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\begin{center}\large\bf
Linear Algebra 2270-2 \\
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Week 3
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The third week finishes the work from chapter 2. Here's the
list of problems, followed by problem notes and a few answers.

\begin{description}
\item[{\bf Problem week3-1}.] 
\item[{\bf Problem week3-2}.] 
\item[{\bf Problem week3-3}.]
\item[{\bf Section 2.1}.] Exercises 
\item[{\bf Section 2.2}.] Exercise 
Section 2.1, Exercises 3,7,12 (the answer in the back of the book is referring to 11),17,20

Section 2.2, Exercises 4,7,8,11,12,13,17,21

Section 2.3, Problems 3,4,8,13,17,24,25,28,29

\end{description}


\subsection*{Problem Notes}

Resolution of issues for Strang's problems will appear here in response to communications. If there is a difficulty, like a missing definition or incomplete information, then please write email, call 581-6879, or visit JWB 113.

{\bf 1.2-13}.

{\bf 1.3-6}. 

{\bf 1.3-10}. 

\subsection*{Some Answers}

Only answers not in the back of the book appear below.

{\bf 1.2-13}. Strang's answer:

{\bf 1.2-19}. 

{\bf 1.2-31}.

{\bf 1.3-6}. Strang's answers: 


{\bf 1.3-10}. Strang's answer:





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