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Byju's Answer
Standard X
Mathematics
Section Formula
Find the rati...
Question
Find the ratio in which
(
−
3
,
4
)
divides the line joining
(
1
,
2
)
and
(
7
,
−
1
)
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Solution
Using Section Formula,
Taking the ratio as
k
:
1
in which the point
P
divides, we have the co-ordinates to be
[
k
x
2
+
x
1
k
+
1
,
k
y
2
+
y
1
k
+
1
]
7
k
+
1
k
+
1
=
−
3
⇒
k
1
=
−
2
5
i.e., 2 : 5 externally
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