Find the values of a, b, if `ax^(2) + bxy + 3y^(2) - `
` 5x + 2y - 3 = 0` represents a circle. Also find
the radius and center of the circle.

Find the values of a,b if ax^(2) + bxy+ 3y^(2) -5x +2y -3 = 0 represents a circle . Also find the radius and centre of the circle .

Find the value of a if 2x^(2)+ay^(2)-2x+2y-1=0 represents a circle and also find its radius. (ii) Find the values of a,b if ax^(2)+bxy+3y^(2)-5x+2y-3=0 represents a circle. Also find the radius and centre of the circle. (iii) If x^(2)+y^(2)+2gx+2fy=0 represents a circle with centre (-4,-3) then find g,f and the radius of the circle. (iv) If the circle x^(2)+y^(2)+ax+by-12=0 has the centre at (2,3) then find a ,b and the raidus of the circle. (v) If the circle x^(2)+y^(2)-5x+6y-a=0 has radius 4 , find a

Find the value of a if 2x^(2)+ay^(2)-2x+2y-1=0 represents a circle and also find its radius. (ii) Find the values of a,b if ax^(2)+bxy+3y^(2)-5x+2y-3=0 represents a circle. Also find the radius and centre of the circle. (iii) If x^(2)+y^(2)+2gx+2fy=0 represents a circle with centre (-4,-3) then find g,f and the radius of the circle. (iv) If the circle x^(2)+y^(2)+ax+by-12=0 has the centre at (2,3) then find a ,b and the raidus of the circle. (v) If the circle x^(2)+y^(2)-5x+6y-a=0 has radius 4 , find a

Find the value of 'a' if 2x^(2)+ay^(2) - 3x + 2y - 1 = 0 represents a circle and also find its radius.

Find the value of aif 2x^(2) + ay^(2) -3x + 2y -1 =0 represents a circle and also find its radius

Show that the equaion x ^(2) + y ^(2) - 6x + 4y - 36 = 0 represents a circle. Also, find its centre and radius.

If ax^(2)+bxy+3y^(2)-5x+2y-3=0 represents a circle then a,bare

If the equation 3x^(2) + 3y^(2) + kxy + 9x + (k - 6) y + 3 = 0 represents a circle , then the radius of this circle is

The equation ax^(2) + 2bxy + 2y^(2) + 2x - y + c = 0 represents a circle through the origin , if