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HCU MCA 2017 Paper

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Question : 66

Total: 75

If

are unit vectors such that (

, then

^
a
,
^
b
,
^
c
are non-coplanar
^
b
,
^
c
,
^
d
are non-coplanar
^
b
,
^
d
are non-parallel
^
a
,
^
d
are parallel and
^
b
,
^
d
are parallel

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