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If A=⎡⎢⎣3214−1273−3⎤⎥⎦, then find A−1 and hence solve the following system of equations: 3x + 4y + 7z = 14, 2x - y + 3z = 4, x + 2y - 3z = 0. |
| Answer» If A=⎡⎢⎣3214−1273−3⎤⎥⎦, then find A−1 and hence solve the following system of equations: 3x + 4y + 7z = 14, 2x - y + 3z = 4, x + 2y - 3z = 0. | |