If the relation between the direction ratios of two lines in \mathbb{R}^3 are given by l+m+n=0,2lm+2mn-\ln=0 then the angle between the lines is ( l, {\m}, {\n} have their usual meaning)

WBJEE 2024 Math Paper

Question : 41 of 75

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If the relation between the direction ratios of two lines in ℝ3 are given by
l+m+n=0,2lm+2mn−ln=0
then the angle between the lines is ( l,m,n have their usual meaning)

‌‌
π
6
‌‌
2π
3
‌‌
π
2
‌‌
π
4

Validate

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