Let Am, 1, 2), 3(2, 3, 3), 0(5), 4, 2} he points in R3 and let P be the plane in IE3 passing through the points A? B, and C. {a} Let 1 he the line passing through A and B and E: be the line passing through A and 0. Find the angle between 1 and 62+ {in} Find a Cartesian equation of P. {c} Find a vector equation of the line E3 which passes through E and is perpendicular to P