A. (4, -3/4)
B. (-4, 16/3)
C. (-4, 16/9)
D. (4, 16/3)
For the circle x2+y2-6x+8y-1=0, the points (2, 3) (-2, -1) are
The condition that the chord xcosα+ysinα-p=0 of x2+y2-a2=0 may subtend a right angle at he cnetre of the circle is
The polar of the point(t-1, 2t) w.r.t the circle x2+y2-4x-6y+4=0 passes through the point of intersection of the lines
A rectangle ABCD is inscribed in a circle with a diameter lying along the line 3y=x+10. If A=(-6, 7), B=(4, 7) then the area of the rectangle is
The equation to the circle touching the y-axis at the origin and passing through(b, c) is
The line y=x+a√2 touches the circle x2+y2=a2 at P. The coordinates of P are
Equation of the tangent to the circle x2+y2=3, which is include at 600 with the x-axis is
The centre of the incircle of the triangle formed by the line 3x+4y=24 with the axes is
The equation of the circle which cuts orthogonally the three circles x2+y2+2x+17y+4=0, x2+y2+7x+6y+11=0 , x2+y2-x+22y+3=0 is
If a chord of the circle x2+y2=8 makes equal intercepts of length a on the coordinate axes, then |a|<