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  3. 6 given the 3 3 matrix a ...

Question: 6 given the 3 3 matrix a ...

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6. Given the 3 × 3 matrix A =   −3 2 −3 2 3 −8 3 −2 3   and the vector x =   3 8 1   in R 3 , calculate Ax

(a) as a linear combination of columns of A

(b) with entries as dot products of rows of A and vector x

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