A. x2+y2-6x-8=0
B. x2+y2-6x-8y+17=0
C. x2+y2-6x+8=0
D. x2+y2-6x-8y-25=0
Match the following
The number of points where the circle x2+y2-4x-4y=1 cuts the sides of the rectangle x=2 , x=5 , y=-1 and y=5 is
If 5x-12y+10=0 and 12y-5x+16=0 are two tangents to a circle,then the radius of the circle is
The tangents at (3, 4), (4, -3) to the circle x2+y2=25 are
The equation of the circle cutting orthogonally circles x2+y2+2x+8=0, x2+y2-8x+8=0 and which touches the line x-y+4=0 is
If the circle S=x2+y2-16=0 intersects another circle S’=0 of radius 5 in such a manner that the common chord is of maximum length and has a slope equal to 3/4 then the centre of S’=0 is
The locus of the midpoints of chords of the circle x2+y2=25 which touch the circle (x-2)2+(y-5)2=289 is
If (3,2 )is limiting point of the coaxal system of circles whose common radical axis is 4x+2y=11, then the other limiting point is
An equilateral triangle is inscribed in the circle x2+y2=a2 . The length of the side of the triangle is
The length of the intercept made by the circle x2+y2-12x+14y+11=0 on x-axis is