Chord of contact
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The locus of the midpoints of the chord of the circle, which is tangent to the hyperbola, is
The locus of the point of intersection of the tangents at the extremities of a chord of the circle x2+y2=a2 which touches the circles x2+y2−2ax=0 passes through the point
(a/2, 0)
(0, a/2)
(0, a)
(a, 0)
- none
- = 8
- 8
- 8
2 tangents PT1 and PT2 are drawn as shown in the figure and PQ passes through the centre O of the circle. Which segment(s) is/are the chord of contact of P.
None of these
RQ
What is the range of lengths of chord of contact of a circle with radius R.
(0, R)
(O, 2R)
(R, 2R)
(O, )
In the circle given below which point(s) has/have a chord of contact.
P only
Q Only
Both P and Q
Neither P and Q
The circle x2+y2=4x+8y+5 interesects the line 3x - 4y = m at two distinct points if
(2010)
-35 < m < 15
15 < m < 65
-85 < m < -35
35 < m < 85
2x+y=4 to the circle x2+y2=1 pass through the point
- (2, 1)
- (1, 2)
- (12, 14)
- (14, 12)
What is the slope of the chord of contact of the point (6, -4) to the circle x2+y2−2x−2y+1=0
-1
1
0