Angle between planes and line of intersection of planes.
Two planes have equations x + 2y − 2 = 7 and 2x + y + 3 = 5.
(i) Calculate the acute angle between the planes.
(ii) Find a vector equation for the line of intersection of the planes.
Two planes have equations x + 2y − 2 = 7 and 2x + y + 3 = 5.
(i) Calculate the acute angle between the planes.
(ii) Find a vector equation for the line of intersection of the planes.
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