Matrices 2

Suppose A=(1 6 3 −2) B=(4 −3 −4 3)

find 2A+3B

Correct answer:

c = (13, 3, -6,5)

Step-by-step explanation:

A=(1, 6, 3, 2) B=(4, 3, 4, 3)  c=2A+3B  Cx=2 1+3 4=14 Cy=2 6+3 (3)=3 Cz=2 3+3 (4)=6 Cw=2 (2)+3 3=5  c=(13,3,6,5)



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