Read: Section 5.3.3.
Turn in: 5.62, 5.64, 5.65, 5.66, 5.68
Extra practice: 5.60, 5.61
- We’ve seen the main part of the argument needed for 5.60: if $p(x)$ is a unit then $p(x)q(x) = 1$ for some polynomial $q(x)$, and now we look at what this implies for the degree of $p(x)$ (using 5.35).