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Mathematics
Mathematics
Problem
Show that the four points
(
0
,
−
1
,
0
)
(0, -1, 0)
(
0
,
−
1
,
0
)
,
(
2
,
1
,
−
1
)
(2, 1, -1)
(
2
,
1
,
−
1
)
,
(
1
,
1
,
1
)
(1, 1, 1)
(
1
,
1
,
1
)
and
(
3
,
3
,
0
)
(3, 3, 0)
(
3
,
3
,
0
)
are coplanar. Also, find equation of plane through them.
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