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The chords of contact of the pair of tangents drawn from each point on the line to…
MATHEMATICS · Single correct · ICSE · Mathematics · Geometry · Geometry
Problem
The chords of contact of the pair of tangents drawn from each point on the line
2
x
+
y
=
4
2x + y = 4
2
x
+
y
=
4
to the circle
x
2
+
y
2
=
1
x^2 + y^2 = 1
x
2
+
y
2
=
1
pass through a fixed point (1)
(
2
,
4
)
(2, 4)
(
2
,
4
)
(2)
(
−
1
2
,
−
1
4
)
\left(-\frac{1}{2}, -\frac{1}{4}\right)
(
−
2
1
,
−
4
1
)
(3)
(
1
2
,
1
4
)
\left(\frac{1}{2}, \frac{1}{4}\right)
(
2
1
,
4
1
)
(4)
(
−
2
,
−
4
)
(-2, -4)
(
−
2
,
−
4
)
Related theory
Power of a point
Circles
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