MATH 551 Midterm: MATH 551 KSU Test1Sample1 f06
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15 Feb 2019
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In each of the following cases we are dealing with a system ax = b. Each case has a di erent coe cient matrix a and a di erent right hand side vector b. Also, in each case we are told what rref([a b]) is. Now, in each case determine the following: size of the matrix a (number of rows and number of columns, an expression for the solution(s) to the system (if the system has no solutions, point that out). In the case of having in nitely many solutions, also indicate the number of free variables. For what values of k is the matrix. If k = 1, how many solutions to bx = 1 k. In this problem a, b and c are matrices. 4 3 and the size of bc is 6 5. In no-mid-class city there are two neighborhoods: fancy woods and shanty.