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The three non collinear points P(-1, 2, 1), 2(3, 1, 4), and R(-2, 3, 5) lie on a plane.a. Using PQ and QR as direction vectors and the point R(-2, 3, 5), determinethe Cartesian equation of this plane.b. Using QP and PR as direction vectors and the point P(-1, 2, 1), determine the Cartesian equation of this plane.