1.

If A=⎡⎢⎣31232−320−1⎤⎥⎦, find A−1. Hence, solve the system of equations : 3x+3y +2z=1, x+2y=4, 2x-3y-z=5.

Answer» If A=312323201, find A1.
Hence, solve the system of equations : 3x+3y +2z=1, x+2y=4, 2x-3y-z=5.


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