21260 Differential Equations
Reading and Homework: Week #9
 Read:
 Monday: Section 4.1, pp. 245248 and Section 6.1, pp.375377.
 Wednesday: Section 5.1, pp. 291300, also review either pp. 284290 or the matrix algebra handout.
 Friday:Section 5.2.

 Exercises: Due at the start of class on Friday, March 15.
 #4.1.2, 4.1.3, 5.1.11, 5.1.12, 6.1.1, 6.1.6.
 #4.1.26, 6.1.11, problem #1 below.
 #5.1.21 (do not do the part
that asks about the Wronskian), 5.1.22 (no Wronskian), problem #2 below.
For the following problems, find the general solution to the system of
equations.

dx/dt = 3x
dy/dt = xy

dy/dt = ty
dw/dt = 2twy