Question: 18. Do the columns of B span R? Does the equation Bx = y have a solution for each y in R+? A =

18. Do the columns of B span R? Does the equation Bx

18. Do the columns of B span R? Does the equation Bx = y have a solution for each y in R+? A = 1 -1 30 3 -1 -1 -1 1 0-4 2-8 203 B = 1 3-2 2 0 11-5 1 2-3 -2-8 2 7

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