AAI ATC Junior Executive 25 Mar 2021 Shift 2 Paper

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Question : 74 of 120

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Which of the following vectors forms the vertices of a right angled triangle?

$2ı↖{^}−ȷ↖{^} + 2k↖{^},ı↖{^}−3ȷ↖{^}−5k↖{^}$ and $3ı↖{^}−4ȷ↖{^}−4k↖{^}$
$2ı↖{^}−ȷ↖{^} + k↖{^},ı↖{^}−3ȷ↖{^}−5k↖{^}$ and $3ı↖{^}−4ȷ↖{^}−2k↖{^}$
$2ı↖{^}−ȷ↖{^} + k↖{^},ı↖{^}−3ȷ↖{^}−5k↖{^}$ and $3ı↖{^}−4ȷ↖{^}−4k↖{^}$
$2ı↖{^}−ȷ↖{^} + k↖{^},ı↖{^}−3ȷ↖{^}−4k↖{^}$ and $3ı↖{^}−4ȷ↖{^}−4k↖{^}$

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