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Unformatted text preview: (A)infinite (B)no (C)two (D)unique Question 3: Find all s and t so that B 2 = 0 if (A)There are no such s and t (B) t = 0 and s R (C) s = 0 and t = 0 (D) s = 0 or t = 0 (E) s = 0 and t R (F) s = 1 and t = 1 Question 4: If A , which one of the following statements is true for A1 ? (A)The third row is [1 1 1] (B)The second column is [0 2 1] T (C)The first row is [2 0 1] (D)It does not exist (E)Each of B, C, D, and E are true (F) The second row is [1 2 1] Solutions: 1) a) False b) True c) True d) False e) True 2) A 3) E 4) A...
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 Spring '10
 Vanelli
 Row echelon form, Sample Midterm Questions

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