selftest1a - Self-test 1a 1 Find the solution set for the following system of equations(4 pts 2x1 2x2 x3 = 4 3x1 4x2 x3 = 6 2 Use Gauss-Jordan

selftest1a - Self-test 1a 1 Find the solution set for the...

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Self-test 1a 1.Find the solution set for the following system of equations: (4 pts) 2.Use Gauss-Jordan elimination to put the following matrix into reduced row-echelon form: (4 pts) 3.Are there any values of the parameter afor which the following set of equations has nontrivial solutions? (4 pts) 4.Compute the indicated quantities: a.(2 pts) 422400223123302131b. (2 pts) 0114222101735.If Aand Bare 2 2 matrices, find the necessary and sufficient conditions for AB + BA= 0. (4 pts) 6.Compute the inverse of the following matrix: