Due, Monday, October 25, noon

The problems in the square brackets are optional. It is strongly
recommended that you do them if you had any trouble with the
corresponding required problem.

Section 5.1 
   Problems: 6, 9[10], 12, 23, 30[29], 34[33], 35, 36[37]

Section 5.2
   Problems: 2[3], 5, 10[9], 12[11], 24[23], 26, 28[31], 29,
             34[35], 38