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Byju's Answer
Standard XII
Physics
Position Vector
In what ratio...
Question
In what ratio the point
(
a
,
b
)
divides the line segment joining the points
(
a
+
b
,
b
+
a
)
and
(
a
−
b
,
b
−
a
)
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Solution
R.E.F image
Let the line segment joining the points (a+b,b+a) and (a-b,b-a) by the point (a,b) in K:1
using sectional formula.
x
=
m
1
x
2
+
m
2
x
1
m
1
+
m
2
a
=
k
a
−
k
b
+
a
+
b
k
+
1
a
k
+
a
=
a
k
−
b
k
+
a
+
b
b
=
k
b
k
=
1
y
=
m
1
y
2
+
m
2
y
1
m
1
+
m
2
b
=
k
b
−
k
a
+
b
+
a
k
+
1
b
k
+
b
=
b
k
−
k
a
+
b
+
a
k
a
=
a
k
=
1
Ratio is 1:1
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