If the equation `p x^2+(2-q)x y+3y^2-6q x+30 y+6q=0` represents a circle, then find the values of `pa n dqdot`

If the equation p x^2+(2-q)x y+3y^2-6q x+30 y+6q=0 represents a circle, then find the values of p and q .

If the equation p x^2+(2-q)x y+3y^2-6q x+30 y+6q=0 represents a circle, then find the values of p and q .

If the equation px^(2)+(2-q)xy+3y^(2)-6qx+30y+6q=0 represents a circle, then find the values of p and q.

If the equation px^(2)+(2-q)xy+3y^(2)-6qx+30y+6q=0 represents a circle,then find the values of pand q.

If the equation px^(2)+(2-q)xy+3y^(2)-6qx+30y+6q=0 represents a circle, then find the values of p^2 +q^2 .

If the equation , px^(2) + (2-q) xy + 3y^(2) - 6qx + 30y +6y = 0 represents a circle , then : (p,q) -=

The values of p and q for which the equation 4 x^(2)+2 p x y+25 y^(2)+2 x+5 y+q=0 represents a pair of parallel lines is

Find p and q, if the equation px^(2) - 6xy + y^(2) + 18x - qy + 8 = 0 represents a pair of parallel lines.