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Mathematics
Problem
The line segments
[
P
Q
]
[PQ]
[
P
Q
]
,
[
Q
R
]
[QR]
[
QR
]
, and
[
P
R
]
[PR]
[
P
R
]
have midpoints
(
1
,
2
,
3
2
)
(1, 2, \frac{3}{2})
(
1
,
2
,
2
3
)
,
(
5
2
,
3
,
9
2
)
(\frac{5}{2}, 3, \frac{9}{2})
(
2
5
,
3
,
2
9
)
, and
(
−
1
2
,
6
,
3
)
(-\frac{1}{2}, 6, 3)
(
−
2
1
,
6
,
3
)
respectively. Find the coordinates of P, Q, and R.
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