CEF 254 Algebra CA 2022

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CEF 254: Continuous Assessment, 25 May 2022, University of Buea: Exercise 1, identifying which of five point-sets is a genuine subspace of R3, plus a plane-through-the-origin/basis/subspace-justification question; Exercise 2, the four fundamental subspaces (column space, row space, null space) of a 3x3 matrix with bases, dimensions, and a Rank Theorem check; Exercise 3, coordinatizing a vector with respect to a given basis of R3.