Question

x + 2y +3z = 2
2x + 4y + 5z = 3
3x + 5y+6z = 4
find the inversion matrix
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Answer 1

Answer:

2x+3;x;9−3x

2x+3;x;3x−9

x;2x+3;3x−9

2(x+3);x;9−3x