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The angle between the lines  is:

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Concept:

The angle between the pair of lines

and  is given by

Solution:

Given the pair of lines  and 

a1 = 2, b1 = 1, c1 = -2

a2 = 4, b2 = -4, c2 = 2

cosθ = 0

θ = 

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More Three Dimensional Geometry Questions

Q1.What is the point of intersection of L and P? 
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