Conside the matrices A=[(1,2,3),(4,1,2),...

Conside the matrices `A=[(1,2,3),(4,1,2),(1,-1,1)]` `B=[(2,1,3),(4,1,-1), (2,2,3)]` `C=[(14),(12),(2)]` `D=[(13),(11),(14)]`. Now `x=[(x),(y),(z)]`is such that solutions of equation `AX=C` and `BX=D` represent two points L andM respectively in 3 dimensional space. If `L'` and `M'` are hre reflections of L and M in the plane x+y+z=9 then find coordinates of L,M,L',M'

(3, 4, 2)

(5, 3, 4)

(7, 2, 3)

(1, 5, 6)

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