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Due Wednesday January 29, in class

• Section 1.3 Gaussian Elimination
  • Read Section 1.3. Do the True/False questions (p. 60). Do Problem 1.54.
  • Homework: 1.56, 1.57, 1.59, 1.61, 1.62, 1.63, 1.65, 1.66, 1.68, 1.74
  • Hand In: 1.56(d)*, 1.59(b)*, 1.66*
  • 1.56(d)*. Complete Problem 1.56(d) on Page 61, but with the matrix \[\left[\matrix{1&2&-3&-4&-4&1\cr 2&4&-5&-7&-5&6\cr 3&6&-7&-10&-5&13\cr}\right]\]
  • 1.59(b)*. Complete Problem 1.59(b) on Page 62, but with the system \[\matrix{-x+2y-3z&=&a\cr -2x+4y-5z&=&b\cr 6x-12y+15z&=&c\cr}\]
  • 1.66*. Complete Problem 1.66 on Page 63, but with the vectors \[X = [-3,1]^t\ \mbox{and}\ Y = [-2,1]^t.\]