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Mathematics
Mathematics
Problem
Points
P
(
4
,
−
2
,
3
)
P(4,-2,3)
P
(
4
,
−
2
,
3
)
and
Q
(
1
,
6
,
−
3
)
Q(1,6,-3)
Q
(
1
,
6
,
−
3
)
are joined. A point
R
R
R
divides
P
Q
PQ
P
Q
internally in the ratio
m
:
4
m:4
m
:
4
and lies on the plane
2
x
−
y
+
z
=
5
2x - y + z = 5
2
x
−
y
+
z
=
5
. The value of
m
m
m
is a)
3
8
\dfrac{3}{8}
8
3
b)
8
3
\dfrac{8}{3}
3
8
c)
4
3
\dfrac{4}{3}
3
4
d) 6
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