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Past Exam for MTH 2311 - Linear Algebra at Baylor (BU)

Exam Information

Material Type:Mid-Term
Professor:Staff
Class:MTH 2311 - Linear Algebra
Subject:Mathematics
University:Baylor University
Term:Fall 2007
Keywords:
  • Combination
  • Calculators
  • Partial Credit
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Lance L. Littlejohn MATH 2311 MIDTERM # 2 FALL SEMESTER 2007 Name SOLUnON$ Instructions : Show ALL work. Partial credit can only be given if sufficient work ac companies each answer. NO CALCULATORS. This examination is out of 50 points. GOOD LUCK' Problem No. Points I. 2. 3. 4. 5. 6. Grade /50 I. (6 Points) Compute IAI , where 1 3 - 1 0 -2 0 2 -4 -1 -6 A= -2 -6 2 3 9 3 7 -3 8 - 7 3 5 5 2 7 IA\~ \ 3 -\ 0 -"2.. ~ -'-\- -\ -6 o 2 -4 -I -(, 0 0 3 /5 g,~I' fig 0 0 0 3 S -2 -I -3~\t~ o '6 -\ 0 '6 o -2 -3K,tRt o -If '3 "2- 13 -"\ Z 2 \3 Kit 1<.3 ~ -'\- -I -,b \ 0 3 ~ C> CO 3 S- - "2. _'-\ l -1 '2-\ 03 1 - - 1-(1, \+ Ry. -'I 1 0 -I\- :r -T ~ 0 1 0 0 0 - di. 2. Let B ~ {Xl ~ (-I , I , I ), X, ~ (I , - I, I ), X, ~ (I , I , - I )}. (a) (6 Points) Can every x =(X,y,Z) E IRs be written as a linear combination of {Xl , X2, X 3}? If so, find this linear combination . C \ I \)/,) ~"...
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