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Mathematics
Mathematics
Problem
Find the image of the point
P
(
3
,
5
,
7
)
P(3, 5, 7)
P
(
3
,
5
,
7
)
in the plane
2
x
+
y
+
z
=
0
2x + y + z = 0
2
x
+
y
+
z
=
0
.
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