APMTH 21b Homework 2
Due: February 13, 2013 at 5pm
1. Determine if this system has a nontrivial solution.
possible.
2x1 4x2 + 9x3
x1 2x2 + 3x3
2x1 3x2 4x3
Try to use as few row operations as
=0
=0
=0
2. Describe all solutions of Ax = 0 in parametric vecto

Applied Mathematics 21b
Mathematical Methods in the Sciences
MWF 1:00pm
Northwest Labs B103
Course Description
Engineering and the sciences rely heavily on many mathematical topics and techniques. In
this course we will study the two arguably most prevale