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Mathematics
Mathematics
Problem
If
P
(
0
,
1
,
0
)
P(0, 1, 0)
P
(
0
,
1
,
0
)
and
Q
(
0
,
0
,
1
)
Q(0, 0, 1)
Q
(
0
,
0
,
1
)
are two points, then the projection of
P
Q
PQ
P
Q
on the plane
x
+
y
+
z
=
3
x + y + z = 3
x
+
y
+
z
=
3
is a. 2 b. 3 c. \sqrt{2} d. \sqrt{3}
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