MEDIUM
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IMPORTANT
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The center of the circle passing through the point 1,0 and cutting the circles x2+y2-2x+4y+1=0 and x2+y2+6x-2y+1=0 orthogonally is

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Important Questions on Circle

MEDIUM
TS EAMCET
IMPORTANT
The equation of the circle that touches the Y-axis at a distance of 4 units from the origin and cuts off an intercept of 6 units on the X-axis is
MEDIUM
TS EAMCET
IMPORTANT
The vertex of the parabola (y-1)2=8(x-1) is at the centre of a circle and the parabola cuts that circle at the ends of its latus rectum. Then the equation of that circle is
EASY
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IMPORTANT
If (a, b) is the centre of the circle passing through the vertices of the triangle formed by x+y=6, 2x+y=4 and x+2y=5, then a, b is
EASY
TS EAMCET
IMPORTANT
If the circles (x-2)2+(y-3)2=25 and 25x2+25y2-40x-70y-160=0 touch internally at α,β then α+β=
EASY
TS EAMCET
IMPORTANT
If (2, a) does not lie outside the circles x2+y2=13 and x2+y2+x-2y=14, then a lies in
EASY
TS EAMCET
IMPORTANT
Given the ellipse E 4x2+9y2-36=0, the circle C x2+y2-9=0 and two points A(1, 2), B(2, 1), which of the following is correct?
MEDIUM
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IMPORTANT
If the circle x2+y2-6x+2y=28 cuts off a chord of length λ units on the line 2x-5y+18=0, then the value of λ is
HARD
TS EAMCET
IMPORTANT
If the line x+y+1=0 intersects the circle x2+y2+x+3y=0 at two points A and B, then the centre of the circle which passes through the points A, B and the point of intersection of the tangents drawn at A and B to the given circle is