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8 May 2018
].x = 23 ), and b = [ ]. Then the 1 2-21 6. Let A = 1 system of linear equations Ax=b (a) has a unique solution if and only a -1. (b) has no solutions if and only if a=3. (c) has infinitely many solutions if and only if a = 1 (d) has a unique solution for every value of a. (e) None of the above
].x = 23 ), and b = [ ]. Then the 1 2-21 6. Let A = 1 system of linear equations Ax=b (a) has a unique solution if and only a -1. (b) has no solutions if and only if a=3. (c) has infinitely many solutions if and only if a = 1 (d) has a unique solution for every value of a. (e) None of the above
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