Question: please show the step (a) (3 points) Find the matrix R, the row echelon form of the matrix A: 2 A = 2 2 2

please show the step

(a) (3 points) Find the matrix R, the row echelon form of the matrix A: 2 A = 2 2 2 4 C (b) (2 point) What value of c gives A a different rank compared to all other values of c? What are the ranks in both cases? (c) (4 points) For each case, find the column space of A. (d) (5 points) For each case, find the nullspace of A

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