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11-136.
  1. Given the matrices A, B, and C shown below, calculate each of the following (if possible). Homework Help ✎

    1. AB

    2. BA

    3. 2A + C

    4. AC − A

    matrices

Multiply the appropriate rows into the columns and then add.

Is the number of columns in the first matrix equal to the number or rows in the second matrix?

Not possible.

Find 2A before adding C.

Find AC before adding A.