Question: Please provide steps. 1 2 3 Let A = -2 -4 -6 1 2 3 1. What are the dimensions of Col A and Nul
Please provide steps.

1 2 3 Let A = -2 -4 -6 1 2 3 1. What are the dimensions of Col A and Nul A? 2. Is there a nontrivial vector in Col A and Nul A
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