Exercises 17–20 refer to the matrices A and B
Chapter 1, Problem 20E(choose chapter or problem)
PROBLEM 20E
Exercises 17–20 refer to the matrices A and B below. Make appropriate calculations that justify your answers and mention an appropriate theorem.
Can every vector in ℝ4 be written as a linear combination of the columns of the matrix B above? Do the columns of B span ℝ3?
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