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BITSAT 2023 Shift 1 Solved Question Paper
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© examsnet.com
Question : 93
Total: 130
The ratio in which the YZ-plane divide the line segment formed by joining the points
(
−
2
,
4
,
7
)
and
(
3
,
−
5
,
8
)
is
2
:
m
. The value of
m
is
2
3
4
1
Validate
Solution:
👈: Video Solution
Let the points be
A
(
−
2
,
4
,
7
)
and
B
(
3
,
−
5
,
8
)
on YZ-plane,
x
-coordinate
=
0
.
Let the ratio be
K
:
1
.
The coordinates of
C
are
(
3
K
−
2
K
+
1
,
−
5
K
+
4
K
+
1
,
8
K
+
7
K
+
1
)
Clearly
3
K
−
2
K
+
1
=
0
⇒
3
K
=
2
⇒
K
=
2
3
Hence required ratio is
2
:
3
.
© examsnet.com
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