CAIE P3 2019 March — Question 9

Exam BoardCAIE
ModuleP3 (Pure Mathematics 3)
Year2019
SessionMarch
TopicVectors: Lines & Planes
9 Two planes have equations \(2 x + 3 y - z = 1\) and \(x - 2 y + z = 3\).
  1. Find the acute angle between the planes.
  2. Find a vector equation for the line of intersection of the planes.
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