CAIE P3 2013 November — Question 6

Exam BoardCAIE
ModuleP3 (Pure Mathematics 3)
Year2013
SessionNovember
TopicVectors: Lines & Planes
6 Two planes have equations \(3 x - y + 2 z = 9\) and \(x + y - 4 z = - 1\).
  1. Find the acute angle between the planes.
  2. Find a vector equation of the line of intersection of the planes.
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