In this question, we discuss the concepts of range, nullspace, and row space of a matrix. Write a general guide explaining how to find a basis for these fundamental subspaces of a matrix. Your guide should address the following questions: Given a matrix M, how can we determine the dimension of the row space, column space, and null space of M by looking at rref(M)? ⚫ Given both M and rref(M), how can we write down a basis for each subspace?

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