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Unformatted text preview: x , y , and z are variables and b is a real constant, Which of the following statements are true? I. There exists a value of b for which the system has no solution. II. There exists a value of b for which the system has exactly one solution. III. There exists a value of b for which the system has more than one solution. (A)II only (B) I and II only (C) I and III only (D)II and III only (E) I, II, and III Answer is (D) Question 4: If , find the main diagonal of A1 , (A) (0, 1, 0) (B) (1, 0, 1) (C) (1, 1, 1) (D) (0, 1, 0) (E) (1, 0, 0) Answer is E...
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 Spring '10
 Vanelli
 Row echelon form, Sample Midterm Questions

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