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Mathematics
Mathematics
Problem
Let
P
(
t
,
1
,
2
)
P(t,1,2)
P
(
t
,
1
,
2
)
and
Q
(
3
,
4
,
t
)
Q(3,4,t)
Q
(
3
,
4
,
t
)
be two points depending on the parameter
t
t
t
. Obtain a simplified expression for
P
Q
2
PQ^{2}
P
Q
2
in terms of
t
t
t
.
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