Question: Please write or type clearly. Thank you! Problem 5. Consider the matrix 3 9 A = Find a base and the dimension of Col A
Please write or type clearly. Thank you!

Problem 5. Consider the matrix 3 9 A = Find a base and the dimension of Col A and Nul A. Problem 6. Consider the matrix -2 -1 A = -2 Find a base and the dimension of Col A and Nul A
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