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Find the value of so that the line may touch the circle .
MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles
Problem
Find the value of
λ
\lambda
λ
so that the line
3
x
−
4
y
=
λ
3x - 4y = \lambda
3
x
−
4
y
=
λ
may touch the circle
x
2
+
y
2
−
4
x
−
8
y
−
5
=
0
x^2 + y^2 - 4x - 8y - 5 = 0
x
2
+
y
2
−
4
x
−
8
y
−
5
=
0
.
Related theory
Straight Lines
Circles
Functions
Equation of a circle
Coordinate Geometry
Tangent to a circle
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