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Byju's Answer
Standard XII
Mathematics
Slope Point Form of a Line
The slope of ...
Question
The slope of the radical axis of the circles
x
2
+
y
2
+
3
x
+
4
y
−
5
=
0
and
x
2
+
y
2
−
5
x
+
5
y
−
6
=
0
is
A
1
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B
3
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C
5
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D
8
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Solution
The correct option is
C
8
e
q
n
of radial axis is given by
s
1
−
s
2
=
0
s
1
=
x
2
+
y
2
+
3
x
+
4
y
−
5
=
0
s
2
=
x
2
+
y
2
−
5
x
+
5
y
−
6
=
0
∴
s
1
−
s
2
=
0
⇒
8
x
−
y
+
1
=
0
slope
=
m
=
−
8
−
1
=
8
Suggest Corrections
0
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