If the equation `(4a-3)x^2+a y^2+6x-2y+2=0` represents a circle, then its centre is a. (3,-1) b. (3,1) c. (-3,1) d. none of these

If the equation (4a-3)x^(2)+ay^(2)+6x-2y+2=0 represents a circle,then its centre is a.(3,-1) b.(3,1) c.(-3,1) d.none of these

If the equation (4 lambda - 3) x^(2) + lambda y ^(2) + 6x - 2y + 2 = 0 represents a circle, then its centre is

If the equation kx^(2) + (2k - 3) y^(2) - 6x + 4y + 3 = 0 represents a circle, then its centre is

If the equation lamdax^(2)+(2lamda-3)y^(2)-4x-1=0 represents a circle, then its radius is

Show that the equation 3x^(2)+3y^(2)+6x-4y-1=0 represents a circle Find its centre and radius.

If equation of a circle is (4a - 3) x^(2) +ay^(2) + 6x - 2y + 2 = 0 , then its centre is

Solve the following:prove that the equation 3x^2+3y^2-6x+4y-1=0 represents a circle.Find its centre and radius.

for parabola x^2+y^2+2xy?6x?2y+3=0, the focus is (a) (1,-1) (b) (-1,1) (c) (3,1) (d) None of these

The equation of the circle is 3x^(2) + 3y^(2)+6x-4y -1=0 . Then its radius is

If (x ,3)a n d\ (3,5) are the extremities of a diameter of a circle with centre at (2, y) then the values of x\ a n d\ y are a. (3,1) b. x=4, y=1 c. x=8, y=2 d. none of these