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Mathematics
Problem
3. Name the octants in which the following points lie:
(
1
,
2
,
3
)
,
(
4
,
−
2
,
3
)
,
(
4
,
−
2
,
−
5
)
,
(
4
,
2
,
−
5
)
,
(
−
4
,
2
,
−
5
)
,
(
−
4
,
2
,
5
)
(1,2,3),(4,-2,3),(4,-2,-5),(4,2,-5),(-4,2,-5),(-4,2,5)
(
1
,
2
,
3
)
,
(
4
,
−
2
,
3
)
,
(
4
,
−
2
,
−
5
)
,
(
4
,
2
,
−
5
)
,
(
−
4
,
2
,
−
5
)
,
(
−
4
,
2
,
5
)
,
(
−
3
,
−
1
,
6
)
(
−
2
,
−
4
,
−
7
)
(-3,-1,6)(-2,-4,-7)
(
−
3
,
−
1
,
6
)
(
−
2
,
−
4
,
−
7
)
.
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