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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