A. (7, -1)
B. (9, -2)
C. (-3, 4)
D. (0, 5)
Let C1=x2+y2-2x-4y=0, C2=x2+y2+2x+10y=0 and L=2x+7y+7=0 Then L is the
The equation of the circle having centre on the line x+y=1 and touching the lines 3x-4y+2=0, 4x+3y+7= 0 is
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
The equation to the line joining the centers of the circles belonging to the coaxial system of Circles 4x2-4y2-12x+ 6y-3+λ(x+2y-6)=0 is
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