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Unformatted text preview: x , y , and z are variables and b is a real constant, (W) (X) + + = + + = x y z 0x 2y 3z 0x + + = 3y bz (Y)Which of the following statements are true? (Z) 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. (AA) (A)II only (B) I and II only (C)I and III only (D)II and III only (E)I, II, and III (AB) (AC) Answer is (D) (AD) (AE) Question 4: (AF) (AG) (AH) If 111110101 , find the main diagonal of A1 , (AI) (A) (0, 1, 0) (B) (1, 0, 1) (C) (1, 1, 1) (D) (0, 1, 0) (E) (1, 0, 0) (AJ) (AK) Answer is E (AL) (AM)...
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This note was uploaded on 10/08/2010 for the course NE 112 taught by Professor Vanelli during the Spring '10 term at Waterloo.
 Spring '10
 Vanelli

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