Bihar Police Constable 14-Mar-2021 Solved Paper

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Question : 47 of 100

Marks: +1, -0

What are the d.c's of the line whose d.r's are 1. -2. and 3 ?

$\;{1}/{{√{14}}},\;{2}/{{√{14}}},\;{3}/{{√{14}}}$
$± \;{1}/{{√{14}}}, ± \;{2}/{{√{14}}}, ± \;{3}/{{√{14}}}$
$± \;{1}/{{√{14}}}, ∓ \;{2}/{{√{14}}}, ± \;{3}/{{√{14}}}$
$\;{1}/{{√{14}}},−\;{2}/{{√{14}}},−\;{3}/{{√{14}}}$

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