Question

How to find the rank of matrix

A=[0 1 1 -2
4 0 2 5
2 1 3 1]

Answer 1

Answer:

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Answer 2

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The maximum number of linearly independent vectors in a matrix is equal to the number of non-zero rows in its row echelon matrix. Therefore, to find the rank of a matrix, we simply transform the matrix to its row echelon form and count the number of non-zero rows.