Given below is a matrix A and an echelon form of A. Find bases for Col A and Nul A, and then state the dimensions of these subspaces. 1 4 2 - 4 1 4 7 3 6 24 1 5 003 9 A= - 2 8 4 12 0 0 0 3 5 20 0 14 0 0 0 0

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A: First we find RREF of B, BT then we find basis for R(B), R(BT), N(B) and N(BT)

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A: Here we will find Col A and Nul A,

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