JEE Main 2016 Question Paper

Section: Mathematics
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Question : 44 of 90
 
Marks: +1, -0
Let
→
a
,
→
b
and
→
c
br three units vectors such that
→
a
×(
→
b
×
→
c
)
=
√3
2
(
→
b
+
→
c
)
.If
→
b
is not parallel to
→
c
,then the angle between
→
a
and b↖{→} is :
[Main 2016]
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