Q12 Given two matrices A and B where
A=

1	-2	3
1	4	1
1	-3	2

and B=

11	-5	-14
-1	-1	2
-7	1	6

, find AB and use this result to solve the following system of equations:
x- 2y + 3z = 6, x + 4y + z = 12, x - 3y + 2z = 1.

Solution

,,