TS EAMCET 2016 Code A Solved Paper

Section: Mathematics
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Question : 33 of 160
 
Marks: +1, -0
If
−
a
,
−
b
,
−
c
are unit vectors satisfying the relation
−
a
+
−
b
+√3
−
c
=0
then the angle between
−
a
and
−
b
is
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