EmTerrell8188 EmTerrell8188

08-03-2024
Mathematics

contestada

If
A=(2 3 1)
(1 2 2)
(-3 1 -1)
find A⁻¹ and hence solve the system of equations 2x+Y-3Z=13, 3x+2y+Z=4, X+2y-Z

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