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Mathematics
Mathematics
Problem
For the points
P
(
1
,
2
,
3
)
P(1,2,3)
P
(
1
,
2
,
3
)
,
Q
(
4
,
−
2
,
7
)
Q(4,-2,7)
Q
(
4
,
−
2
,
7
)
and
R
(
−
2
,
5
,
0
)
R(-2,5,0)
R
(
−
2
,
5
,
0
)
in space, answer the following: a. (i) Calculate the lengths of
P
Q
PQ
P
Q
,
Q
R
QR
QR
and
R
P
RP
R
P
. b. (ii) Arrange these three lengths in ascending order.
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