Question

The line of intersection of the planes 2x + y - z = 4 and x - y + 2z = 3 can be expressed parametrically as:

x = 2 + t, y = 1 + 2t, z = 3t x = 3 + t, y = 2 - t, z = -t x = 1 + t, y = -1 + 3t, z = 2t x = 0 + t, y = 1 + t, z = 2t

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