Part A) Compute the matrix-vector product Ax using the row-vector rule. Part B) Write the matrix-vector product Ax as a linear combination of the columns of A. Compute the linear combination to confirm that you get the same answer found in (Part A).

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Q: Please don't provide handwritten solution ...

A: Please comment down for any doubt. I hope my answer helps you.

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Q: Show the concept of addition of matrices Along with an example.

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