Penn State University Department of Mathematics Eberly College of Science
Homework #12. Due April 21


9.1.21; 9.1.24; 9.1.52; 9.2.12; 9.2.39; 9.2.40; 9.3.46; 9.3.48


Notation:
Problem x.y.z is the exercise z from Chapter x, Section x.y from our textbook.
For example, problem 1.2.30 is the exercise 30 from Chapter 1, Section 1.2 (on page 21).