If the direction cosines of two lines satisfy the equations l-2 {\m}+ {\n}=0, l {\m}+10mn-2 {\n} l=0 and \theta is the angle between the lines, then \cos \theta= [AP EAPCET 23 May 2025 S2]

Three Dimensional Geometry

Section: Mathematics

Question : 8 of 58

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If the direction cosines of two lines satisfy the equations l−2m+n=0, lm+10mn−2nl=0 and θ is the angle between the lines, then cos‌θ=

[AP EAPCET 23 May 2025 S2]

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