Homework:
18, 23, 30, and 32 from section 3.1
https://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/assignments/MIT18_06S10_pset2_s10_soln.pdf
18, 24, 36, and 37 from section 3.2
https://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/assignments/MIT18_06S10_pset3_s10_soln.pdf
Lec 7 | MIT 18.06 Linear Algebra, Spring 2005
Lec 5 | MIT 18.06 Linear Algebra, Spring 2005