Math 213 -- Prof. Sachs, Homework 6

    Due: In class, Wednesday, Oct. 22

   from text:

    Section 14.4, routine exercises: 5, 9, 11, 33, 34 
    harder ones: 39, 42, 35

    Section 14.5, routine exercises:  5, 17, 19, 22
    harder ones: 29, 31, 49