Math 1300 Assignment 3 Fall 2015 With Solutions - MATH 1300...

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MATH 1300 ASSIGNMENT PROBLEMS (UNIT 3)[4] 1. (a) There are 4 possible row-reduced echelon forms of a 2x2 matrix. What are they? [6] (b) Give an example of two distinct 2x2 nonzero matrices A and B such that AB = 0 Solution:
2. Use Gaussian elimination procedure: back substitution to solve the following systems of equations. a) 0263211xyzxyzxyzb) 202334576xyzxyzxyz
12213223 413/3211012331233(b) 123321100356457645760356123312330356015 / 3200000000
RRRRRRRRRyz2Let 25 / 3( )From row 1: 23332332( 25 / 3( ))33410 / 3( )31

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