solutions_501_03

solutions_501_03 - ("L—r4 go Log T\0NS MATH 323-501,...

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Unformatted text preview: ("L—r4 go Log T\0NS MATH 323-501, QUIZ 3. Fall 2010 NAME- __._____ ROW______;._________ Show all steps for credit. 1, 2. 6 Q1. ‘(3 pts.) For find elementary matricés E1, E2, and so that E3E2E1A is upper triangular. : l < K44 (‘1 V (34“! ll" ‘21”: 2, Z— “? O _l t w”) 0 ' ' ‘9 l : o ‘ H L 1 (a Z 1 4 . «(cWPHLJ {a} l E(‘ “l B Q2. (4 pts.) Let A, B, and C be 3 x3 matrices with determinants repectively 2, 3, and 4. Find the determinants of ‘ (i) AB (ii) 0-1 (iii) 3T0 (iv) 2A. (i) am My. xaontzckrgz é/ Ch.) row g’rC (I: 4&1;an -— (iv) 49km}, fax/4 f: lé (/" ' Q3. (3 pts) Find ' 1212 0142 0112 0002- K‘VJZZ ( Zix 2..— 3 0: (4 1 " WWW“ 7' 00 ’K 0 00 O L ...
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This note was uploaded on 04/03/2012 for the course MATH 323 taught by Professor Boas during the Fall '08 term at Texas A&M.

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solutions_501_03 - ("L—r4 go Log T\0NS MATH 323-501,...

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