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Mathematics
Mathematics
Problem
The coordinates of the foot of the perpendicular drawn from the point
A
(
1
,
0
,
3
)
A(1, 0, 3)
A
(
1
,
0
,
3
)
to the join of the points
B
(
4
,
7
,
1
)
B(4, 7, 1)
B
(
4
,
7
,
1
)
and
C
(
3
,
5
,
3
)
C(3, 5, 3)
C
(
3
,
5
,
3
)
are a.
(
5
3
,
7
3
,
17
3
)
\left(\frac{5}{3}, \frac{7}{3}, \frac{17}{3}\right)
(
3
5
,
3
7
,
3
17
)
b.
(
5
,
7
,
17
)
(5, 7, 17)
(
5
,
7
,
17
)
c.
(
5
7
,
−
7
3
,
17
3
)
\left(\frac{5}{7}, -\frac{7}{3}, \frac{17}{3}\right)
(
7
5
,
−
3
7
,
3
17
)
d.
(
−
5
3
,
7
3
,
−
17
3
)
\left(-\frac{5}{3}, \frac{7}{3}, -\frac{17}{3}\right)
(
−
3
5
,
3
7
,
−
3
17
)
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