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Unformatted text preview: n m . MATH. 20F SAMPLE MIDTERM 1 3 (3) (15 points) Find the inverse of the matrtix A = 1 0 1 0 0 2 2 1 1 , and express A as a product of elementary matrices. 4 MATH. 20F SAMPLE MIDTERM 1 (4) (10 points) Decide if the following statements are true or false, giving justiFcations to your answers. (a) If A is an n n matrix such that A 2 = A A = 0, then A = 0. (b) Any collection of 3 vectors in R 3 such that none is a multiple of another must be linearly independent....
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This note was uploaded on 03/17/2011 for the course MATH 20F taught by Professor Buss during the Winter '03 term at UCSD.
 Winter '03
 BUSS
 Math, Linear Algebra, Algebra

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