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Let A be an m x n matrix. Which of the below is/are true? Module 20: question 1 . Let A be an m x

Let A be an m x n matrix. Which of the below is/are true?

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Module 20: question 1 . Let A be an m x n matrix. Which of the below is/ are true? A. A linear independent set of vectors in R", which is not a basis for R", can be expanded into a basis for R" by adding, for instance, some vectors from the standard basis for R". B. The Row A is the set of the rows of A. C. The Row A is a subspace of Rm. D. The Row A is the Col AT. E. If two matrices A and B are row equivalent, they have the same row space. F. A basis for Row A is the set of the rows in A that correspond to the nonzero rows in an echelon form of A.Module 20: question 2 . Let A be an m x n matrix. Which of the below is/ are not equal to the rank A? A. dimension of the Nul A; B. dimension of the Col A; C. dimension of the Row A; D. number of non-pivot columns of A; E. number of pivot positions in A; F. number of non-zero rows in an echelon form of A; G. n - dim Nul A

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