please solve in details.

Date No. O# An question. (aland (b) display a matrix A and echelon form of, A . find bowes for col i and Nud A, and then state the dimensions al these subspaces 9 5 4 ay A = 1 - 1 6 5 - 5 -2 - 6 1 -2 1 9 - 9 - 2 4 -3 - 0 O O O O O 3 3 5 10 -7 4 - 9 - 2 - 4 5 O - 6 3 -5 O O (2) An question (), find a basis for the subspace spanned by the given rectors . What is the dimension of the subspace? A