SOLUTION: Let C=[1 -3 2] and D= [-1 3 -2] find C-3D

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Question 935802: Let C=[1 -3 2] and D= [-1 3 -2] find C-3D
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
C-3D=(1,-3,2)-3(-1,3,-2)
C-3D=(1,-3,2)-(-3,9,-6)
C-3D=(1-(-3),-3-9,2-(-6))
C-3D=(4,-12,8)