Question: 1 2 0 2 . Suppose we know that A = | 2 4 1 4 5 is row equivalent to 2 -1 -1 N

1 2 0 2 . Suppose we know that A = | 2 4 1 4 5 is
1 2 0 2 . Suppose we know that A = | 2 4 1 4 5 is row equivalent to 2 -1 -1 N 0 1 2 0 1 2 1 0 0 0 0 (a) (4 points) Define a linear transformation T : R' - R', T(x) = Ax, for x E R', which is a matrix transformation. Is Tonto/surjective? Briefly explain your answer. (b) (5 points) Find a basis for Nul A . Justify your answer and show all your steps

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