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Scalar Matrix Multiplication

Related Topics:
More Lessons for Matrices
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We can multiply a matrix with a number (also called a scalar). For scalar multiplication, we multiply each element of the matrix by the number or scalar.

Example:

scalar multiplication

Example:

Solution:

We need to consider only one equation

2k = 6

k = 3

Example :

Find the values of x and y.

Solution:

2x – 6 = 5
2x = 11
x = 5.5

4 – y = 3
y = 1

Matrix Subtraction and Multiplication by a Scalar



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