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JEEMAIN and NEET
>>
JEEMAIN PAST PAPERS
>>
2010
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Q)
Let
→
a
=
ˆ
j
−
ˆ
k
and
→
c
=
ˆ
i
−
ˆ
j
−
ˆ
k
. Then vector
→
b
satisfying
→
a
×
→
b
+
→
c
=
→
0
and
→
a
.
→
b
=
3
is
( A )
ˆ
i
−
ˆ
j
−
2
ˆ
k
( B )
−
ˆ
i
+
ˆ
j
−
2
ˆ
k
( C )
2
ˆ
i
−
ˆ
j
+
2
ˆ
k
( D )
ˆ
i
+
ˆ
j
−
2
ˆ
k
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