coryoddoc2684 coryoddoc2684 22-04-2024 Mathematics Answered Consider the two planes, P₁ and P₂, where P₁ is given by the general equation 2x - y + z = 7 and P₂ passes through the points (1,2,3), (2,1,3), and (2,2,1). What is the angle between P₁ and P₂?