HOMEWORK 13 <br>
It is due on Monday, Apr 23 (the beginning of the class).  <br>
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WARNING: Note that the following are chosen from the 6th edition of the textbook. <br>
If you are using the 5th edition, first locate the correct exercises.<br>
There is a copy of the 6th edition at the Marston Science Library reserve for this purpose.

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-SOLVE AND SUBMIT the following exercises. <br>
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Section 9.2: <br>
  Exercises 30, 36, 44, 46<br>
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Section 9.3: <br>
  Exercises 9, 28, 32, 40<br>
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