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Home > PC > Chapter 12 > Lesson 12.1.1 > Problem 12-10


It is possible to multiply matrices by a constant.

  1. If and , why is it natural to write ?

    What is ?

  2. Find if .

When vectors are in component form, matrix operations can be performed. With the addition of matrices, many problems with vectors can be solved. The same rules apply when multiplying a vector by a matrix as multiplying two matrices together.