A. x2+y2+2x+4y+24/25=0
B. x2+y2-2x-4y-44/25=0
C. 2x2+2y2+x-y+14/25=0
D. x2+y2+2x-4y+44/25=0
The equation of the circle passing through the points (4, 1), (6, 5) and having the centre on line 4x+y-16=0 is
From any point on the circle x2+y2+2gx+2fy+c=0 tangents are drawn to the circle x2+y2+2gx+2fy+c sin2α+(g2+f2) 13cos2 α =0
The area of the triangle formed by the positive x-axis and the tangent and the normal at (1, √3) to the circle x2+y2=4 is
The locus of the points from which the lengths of the tangents to the two circles x2 + y2 + 4x + 3 = 0, x2 + y2-6x +5 = 0 are in the ratio 2 : 3 is a circle with centre
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x2+y2-4x-6y+9=0 and (x+3)2+(y+2)2=25 are two circles. The line x=2 is a
The equation of the circle passing through the point (1, -2) and having its centre on the line 2x-y-14=0 and touching the line4x+3y-23=0 is
The equation to the pair of tangents drawn from (3, 2) to the circle x2+y2-6x+4y-2=0 is
The equation of one tangent to the circle with Centre(2,-1) from the origin is 3x + y = 0, then the equation of the other tangent through the origin is
The equation to the circle which is such that the lengths of the tangents to it from the points (1,0), (2,0) and (3,2)are 1,√7, √2, respectively is