TS EAMCET Engineering 14 May 2023 Shift 1 Solved Paper

Section: Mathematics

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Question : 60 of 160

Marks: +1, -0

If l,m,n and a, b, c are direction cosines of two lines then

[TG EAPCET 14 May 2023 Shift 1]

they are parallel when la+mb+nc=0
they are perpendicular when ‌
l
a
=‌
m
b
=‌
n
c
the direction ratios of the bisectors of the angles between the two lines are l±a,m±b,n±c
the direction ratios of the bisectors of the angles between the two lines are la,mb,nc

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