Three Dimensional Geometry: JEE Main 2026 Mathematics question

JEE Main 2026 · 23 Jan, Morning shift · Q16

JEE Main 202623 Jan, Morning shiftMathematicsEasyThree Dimensional Geometry249× since 2002

Let the direction cosines of two lines satisfy the equations :

4l+m-n=0

and

2mn+10nl+3lm=0

. Then the cosine of the acute angle between these lines is :

JEE Main 2026 · 23 Jan, Morning shift · Q16

JEE Main 202623 Jan, Morning shiftMathematicsEasyThree Dimensional Geometry249× since 2002

Let the direction cosines of two lines satisfy the equations :

4l+m-n=0

and

2mn+10nl+3lm=0

. Then the cosine of the acute angle between these lines is :

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