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Byju's Answer
Standard XII
Mathematics
Odd Extension of a Function
The equation ...
Question
The equation of common †an gents to the circles x2+y2-2x-6y+9=0 and x2+y2+6x-2y+1=0 is/ar 1. x=0 2. y -4=0 3. 3x+4y=10 4. 4x-3y=0
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Similar questions
Q.
I : The equations to the direct common tangents to the circles
x
2
+
y
2
+
6
x
+
4
y
+
4
=
0
,
x
2
+
y
2
−
2
x
=
0
are
y
−
1
=
0
,
4
x
−
3
y
−
9
=
0
II : The equations to the transverse common tangents to the circles
x
2
+
y
2
−
4
x
−
10
y
+
28
=
0
,
x
2
+
y
2
+
4
x
−
6
y
+
4
=
0
are
x
−
1
=
0
,
3
x
+
4
y
−
21
=
0
Q.
The internal common tangents of the circles
x
2
+
y
2
−
4
x
−
4
y
+
4
=
0
and
x
2
+
y
2
+
6
x
+
6
y
+
9
=
0
are
Q.
Find the radical centre of the three circles
x
2
+
y
2
−
4
x
−
6
y
+
5
=
0
,
x
2
+
y
2
−
2
x
−
4
y
−
1
=
0
and
x
2
+
y
2
−
6
x
−
2
y
=
0
Q.
The number of common tangents to the circles
x
2
+
y
2
−
4
x
−
2
y
+
1
=
0
and
x
2
+
y
2
−
6
x
−
4
y
+
4
=
0
is
Q.
Circles
Number of common tangents
I:
x
2
+
y
2
=
4
x
2
+
y
2
−
8
x
+
12
=
0
a)
0
II:
x
2
+
y
2
=
1
x
2
+
y
2
−
2
x
−
6
y
+
6
=
0
b)
1
III:
x
2
+
y
2
=
16
x
2
+
y
2
−
8
x
+
6
y
−
56
=
0
c)
4
IV:
x
2
+
y
2
−
2
x
−
6
y
+
9
=
0
x
2
+
y
2
+
6
x
−
2
y
+
1
=
0
d)
3
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