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If be a circle and and are pair of tangents on
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
If
C
1
:
x
2
+
y
2
=
(
3
+
2
2
)
2
C_1: x^2 + y^2 = (3 + 2\sqrt{2})^2
C
1
:
x
2
+
y
2
=
(
3
+
2
2
)
2
be a circle and
P
A
PA
P
A
and
P
B
PB
P
B
are pair of tangents on
C
1
C_1
C
1
, where
P
P
P
is any point on the director circle of
C
1
C_1
C
1
, then the radius of the smallest circle which touches
C
1
C_1
C
1
externally and also the two tangents
P
A
PA
P
A
and
P
B
PB
P
B
, is
Related theory
Circle (Standard Equation)
Conic Sections
Circles
Equation of a circle
Coordinate Geometry
Tangent length properties
Tangent to a circle
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