We will post answers to homework problems soon after they are graded. The answers will include notes on frequently missed questions. In some places, these answers are sketches, but they should help you understand the correct answers.

• Homework #1 answers.
• Homework #2 answers.
• Homework #3 answers.
• Homework #4 answers.
• Homework #5 answers.
• Homework #6 answers.
• Homework #7 answers.
• Homework #8 answers.
• Homework #9 answers.
• Homework #10 answers. Corrected answer to 2f
• Homework #11 answers.
• Homework #12 answers.
  Q2 graded by Jingtao. Q3 graded by Susanne
  If you have questions about the grading, please contact the grader.