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If a plane passes through a point (1,0,1) and is parallel to the vectors a = {2,1,1} and B = {1, - 1,0}, the plane equation is solved?
A × B = {1,1, - 3}
（x-1）+y-3（z-1）＝0
That is, x + y-3z + 2 = 0
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