Homework Set 13.

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Section 7.1: 1, 4, 8, 11, 17, 19, 26.
Section 7.2: 5, 9, 11, 13, 17, 21.
Section 7.3: 1, 5, 9, 13, 17, 26, 27, 29, 38.
Section 7.5: 1, 7, 11, 13, 21, 33.

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