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Unformatted text preview: ociated system of equations for the last matrix is: So the general solution is Study Guide: Look back at column 3 of the reduced matrix above (column 3 is associated with the variable x3).
Notice that the column contains only zeros. It is a common error to assume that x3 is zero, or to say nothing at
all about x3 and only write about x1, x2, x4, and x5 in the general solution. To avoid these mistakes, first identify
the basic variables (those variables associated with pivot columns). All other remaining variables must then be
free variables. 17.
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This note was uploaded on 02/28/2013 for the course ENGR 251 taught by Professor Agsmne during the Spring '13 term at Central Connecticut State University.
- Spring '13