(a) If A = then find A^-1 and hence solve the following system of equations :
x+2y-3z=1; 2x-3z=2; x+2y=3
OR
(b) Find the product of the matrices
hence solve the system of linear equations : x+2y-3z=-4; 2x+3y+2z=2; 3x-3y-4z=11

Solution

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