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Standard XII
Mathematics
Chord of Contact
20. Equation ...
Question
20. Equation of the circle which is such that the lengths of the tangents to it from the points (1,0),(0,2)and (3,2) are 1,7 and 2 respectively is
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Q.
Equation of the circle which is such that the lengths of the tangents to it from the points
(
1
,
0
)
,
(
0
,
2
)
and
(
3
,
2
)
are
1
,
√
7
and
√
2
respectively is?
Q.
The lengths of the tangents from
(
1
,
0
)
,
(
2
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,
(
3
,
2
)
to a circle are
1
,
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√
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The number of points such that the tangents from it to three given circles are equal in length, is
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The lengths of the tangents from two points
A
and .
B
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l
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′
respectively. If the points are conjugate with respect to the circle, then
(
A
B
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Consider a circle with radius r. Tangents are drawn to it from an external point such that tangents are perpendicular to each other. All points from which such tangents can be drawn are connected by a smooth curve. M and N are any two points on that curve. What can be the maximum length of MN?
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