The text is the same that we have used for several semesters. There
are a couple of different versions of the 9th edition (see below).
Elementary Differential Equations and Boundary Value Problems,
by William Boyce and Richard DiPrima (9th Edition)
TEXT NOTE: This is NOT the current version,
which is the 10th edition. There are a couple of different versions
of the text; here are the links to Amazon.com for the information:
HOMEWORK CHANGE: 3.7- 5, 7, 9, 11, 24. For 7 and 9, see how
far you can go without a computer. For 24, solve for k, then see
if you can solve for v.
ALSO: The trig handout (linked abouve after 3.3).