SOLUTION: Let A =(1,-3,2) and B =-1, 3, -2) . Find A - 3B. A. 4 -12 -8 B. -4 12 8 C. -2 6 -4 D. 4 -6 4 PS the numbers are matrixes arranged vertically from l

Algebra ->  Matrices-and-determiminant -> SOLUTION: Let A =(1,-3,2) and B =-1, 3, -2) . Find A - 3B. A. 4 -12 -8 B. -4 12 8 C. -2 6 -4 D. 4 -6 4 PS the numbers are matrixes arranged vertically from l      Log On


   

Question 1071152: Let A =(1,-3,2) and B =-1, 3, -2) . Find A - 3B.
A. 4 -12 -8

B. -4 12 8

C. -2 6 -4

D. 4 -6 4
PS the numbers are matrixes arranged vertically from left to right.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Let A =(1,-3,2) and B = (-1,3,-2)
Find A - 3B
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B = (-1,3,-2)
3B =(-3,9,-6)
A = (1,-3,2)
------------------------
Add
--> (-2,6,-4)