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Mathematics
Mathematics
Problem
Points
A
(
1
,
2
,
3
)
A(1,2,3)
A
(
1
,
2
,
3
)
,
B
(
4
,
−
1
,
5
)
B(4,-1,5)
B
(
4
,
−
1
,
5
)
and
C
(
7
,
0
,
−
2
)
C(7,0,-2)
C
(
7
,
0
,
−
2
)
are three consecutive vertices of a parallelogram
A
B
C
D
ABCD
A
B
C
D
. Find the position vector of vertex
D
D
D
.
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