In each part, let TA: R3 R2 be multiplication by A, and let u1 = (0, 1, 1) and u2 = (2
Chapter 4, Problem 20(choose chapter or problem)
In each part, let TA: R3 R2 be multiplication by A, and let u1 = (0, 1, 1) and u2 = (2, 1, 1) and u3 = (1, 1, 2). Determine whether the set {TA(u1), TA(u2), TA(u3)} spans R2. (a) A = 110 0 1 1 (b) A = 010 1 1 3 21.
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