Question: Let x and y be nonzero vectors in Rm and Rn, respectively, and let A = xyT. (a) Show that {x} is a basis for

Let x and y be nonzero vectors in Rm and Rn, respectively, and let A = xyT.
(a) Show that {x} is a basis for the column space of A and that {yT} is a basis for the row space of A.
(b) What is the dimension of N(A)?

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