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JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Mathematics
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Question : 53 of 75
 
Marks: +1, -0
Let
→
a
,
→
b
 and
→
c
 be three units vectors such that
→
a
+
→
b
+
→
c
=0. If λ=
→
a
.
→
b
+
→
b
.
→
c
+
→
c
.
→
a
 and
→
d
=
→
a
×
→
b
+
→
b
×
→
c
+
→
c
×
→
a
, then the ordered pair, (λ,
→
d
) is equal to :
[7 Jan 2020 Shift 2]
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