A matrix A and an echelon form of A are shown below. Find a basis for Col A and a basis for Nul A. 16 11 -4 -10 14 6 0 -16 19 - 4 0250-1 A = -20 8 10 0 0 01 3 6 3 -5 4 0 0 0 0 0. Find a basis for Col A. (Use a comma to separate answers as needed. Type an integer or simplified fraction for each matrix element) Find a basis for Nul A. (Use a comma to separate answers as needed. Type an integer or simplified fraction for each matrix element) 4.

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