Assume that A is row equivalent to B. Find bases for Nul A, Col A, and Row A. 12 5 -12 6 120 3 4 12 0 36 005-15 5 36-5 24 9 48 0 12 9 A= B= 000 0-7 000 0 0 A column vector basis for Nul A is (Use a comma to separate vectors as needed.) ***

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