Question

Use matrices A,B,C and D to find each scalar product and sum, or difference if possible.
A = [6 1 0 8] B=[1 3]
[-4 3 7 11] [-2 4]

C= [-2 1] D=[5 -2]
[4 0] [3 6]
[2 2]
[1 1]

4.3A
A = 3[6 1 0 8] = [ 18 3 0 24]
[-4 3 7 11] [-12 9 21 33]

6.AB
A=[6 1 0 8] B= [1 3]
[-4 3 7 11] [-2 4]

Answer 1

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