Homework:
8, 28, 40, and 41 from section 5.3
https://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/assignments/MIT18_06S10_pset7_s10_soln.pdf
Related Materials:
http://math.mit.edu/~gs/linearalgebra/linearalgebra5_6-1.pdf
19 and 29 from section 6.1
Lec 21 | MIT 18.06 Linear Algebra, Spring 2005
Lec 19 | MIT 18.06 Linear Algebra, Spring 2005