Question: Question 6 Let A71 : . Then (7%AT)'1 : 2 5 2 4 '1/2 '1 2 4 -5 _2 (a) (b) (C) (d) (6) none

Question 6 Let A71 : . Then (7%AT)'1 : 2 5 2 4Question 6 Let A71 : . Then (7%AT)'1 : 2 5 2 4
Question 6 Let A71 : . Then (7%AT)'1 : 2 5 2 4 '1/2 '1 2 4 -5 _2 (a) (b) (C) (d) (6) none of these 5 *10 *3/2 5/2 *6 10 10 ,4 l U 2 Question 7 Let P = 0 1 0 . Then (sz1 is 0 0 l 1 o i; 1 0 g 1 0 0 1 0 4 (a) 0 1 (J (b) 1) 1 1} (c) 0 1 0 (d) 0 1 0 (0) none of those 0 0 1 0 O 1 O O 4 0 O 1 (Hint: P is an elementary matrix.) :1: 1 1 Question 8 Let L be the line whose equation is given by y : 2 +t 72 , t E R. If k is a constant such that z 3 l L lies completely on the plane :3 + Icy + z : 6, then 1k : (a) 4 (b) 2 (c) ' (d) 3 (e) none of these Question 9 The intersection of the planes .'L' + y i 22: = 1 and 21: i y + 2 = 4 is a line. This line intersects the myplaiie at which point? (a) (5, *2. 0) (b) (72.5,0) (C) (5/3,2/3, 0) (d) (3,2,0) (6) none of the above a, h (3 572a b 0 Question 10 Suppose that d e f :2. Then eQd (-3 f : g h 2' h 7 2g h i (a) 72 (b) 2 (c) 74 (d) 4 (e) none of the above

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