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Math254HW67

# Math254HW67 - MATH 254 HOMEWORK CHAPTERS 6 and 7 The...

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MATH 254: HOMEWORK CHAPTERS 6 and 7 • The assignments for Chapters 6 and 7 are due on the day that you take Midterm 3. • Answers to odd-numbered problems are in the back of the textbook. • Show work where appropriate, write your name on your homework , and use the Student Solutions Guide wisely. --------------------------------------------------------------------------------------------------------------------- CHAPTER 6 Section 6.1 (p.334) #1, 3, 5, 7, 11, 15-23 odd, 31-35 all, 46, 47, 48 #11: No work is required. Read Examples 9-11 on pp.333-334. (Example 10 relates to #35.) Look at #49 and #60. Section 6.2 (p.347) #1, 2, 3, 5, 6, 7-19 odd (see comment for #11 below), 25, 27, 33, 35, 38 (skip c), 47, 48 (skip b) #11: You may use the fact that the row-reduced echelon (RRE) form for A is 1 0 1 0 0 1 1 0 0 0 0 1 0 0 0 0 Section 6.3 (p.358) #1-19 odd, 25 (just find T ; skip T ’ ), 31 You may use the shortcut for writing A that we discussed in class. Section 6.4 (p.365) #1, 3, 5, 11, 13-17 all, 19, 21, 22, 26 #1, 3, 5: You should do b) as you do the work for a). #14: Read the passage about diagonal matrices on p.364.

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Math254HW67 - MATH 254 HOMEWORK CHAPTERS 6 and 7 The...

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