Find an equation of the plane passing through the points P = (3, 6, 6), Q = (6, 6, 5), and R = (-5, 6, 6). (Express numbers in exact form. Use symbolic notation and fractions where needed. Give the equation in scalar form in terms of x, y, and z.) equation: Find the angle between v and w if v . w = V²||v||· ||w||. (Use symbolic notation and fractions where needed. Give your answer in terms of л.) 0 =