Find the scalar equation of the plane that contains (1,1,1), (3,-1,5), and (4,2,-2). -2x1 + 9x2 + x3 = 8 X1 + x2 + x3 = 9/2 X1 + 9x2 + 4x3 = 14 %3D 8x1 + 2x2 + 4x3 = 14 %3D

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