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    Matrices

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    DAY 1. Multiply the three matrices together in order (A*B*C) to get a fourth matrix 'D'. What is the fourth matrix?

    DAY 2. Multiply the fourth matrix by the scalar 6 to get a fifth matrix E.

    DAY 3. Add the fifth matrix to a matrix whose elements are all "2"'s to get a sixth matrix F. What is the sixth matrix?

    DAY 4. You are told the password for your next assignment is the element F1,3. What is your password?

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    https://brainmass.com/math/matrices/2790

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    This shows how to perform operations, including multiplication, on matrices.

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