Three Dimensional Geometry

Section: Mathematics

Question : 28 of 58

Marks: +1, -0

If l,m,n are the direction cosimes of a line that is perpendicular to the lines having the direction ratios 1,2,−1 and 1,−2,1 then (1+m+n)2=

[AP EAPCET 22 May 2024 Shift 2]

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