9. Find a set of columns that form a basis for the column space of each of the following matrices. Give the rank of each matrix. Also find a basis for the null space of each matrix. (a) [3 -3 5 6 -10 2 1 7 (b) 125 14 1 1 0 (c) 0 0 1 0 0 1 1 0 2 -1 1 10 1 1 1 1 1 2 1 1 0 (d) 102-1 1 01 010 0 1-12 1 1 1 1 1 1 1 02-1 1 1 1 1 1 0 07 1 01 0 10 1 001 10 (e) 0 1 1 01 0 0 1 01 0 01 1 0100 1.

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A: Here We know that -1=i, we use this to solve the problem.

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A: Topic:- geometry

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