AP EAMCET Engineering 2015 Code C Paper

Section: Mathematics
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Question : 77 of 160
 
Marks: +1, -0
If
−
a
,
−
b
,
−
c
are three vectors such that |
−
a
|
=1.
|
−
b
|=2,
|
−
c
|=3
and
−
a
.
−
b
=
−
a
.
−
c
=
−
c
=
−
a
=0
, then |[
——
abc
]
|
=
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