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JEEMAIN and NEET
>>
JEEMAIN PAST PAPERS
>>
2003
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Q)
The vectors
→
A
B
=
3
ˆ
i
+
4
ˆ
k
, and
→
A
C
=
5
ˆ
i
−
2
ˆ
j
+
4
ˆ
k
are the sides of a triangle
A
B
C
. The length of the median through
A
is :
( A )
√
72
( B )
√
288
( C )
√
33
( D )
√
18
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