Find the equation of the plane with the given description. 1. Passing through P = (2, -1, 4), Q = (1, 1, 1), R = (3, 1, -2). 2. Passes through P = (4, 1, 9) and is parallel to x + y + z = 3. 3. Contains the lines r1(t) = <2 + t, 1 + 2t, 3t> and r2(t) = <2 + 3t, 1 + t, 8t>.
You'll get a detailed, step-by-step and expert verified solution.