" The pair of tangents from origin to the circle "x^(2)+y^(2)+4x+2y+3=0" is "

Combined equation to the pair of tangents drawn from the origin to the circle x^(2)+y^(2)+4x+6y+9=0 is

If the angle between a pair of tangents drawn from a point P to the circle x^(2)+y^(2)-4x+2y+3=0" is "(pi)/(2) then the locus of P is

The condition that the pair of tangents drawn from origin to the circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angle is

The pair of tangents from origin to x^(2)+y^(2)+4x+2y-3=0 is

Combined equation to the pair of tangents drawn from the origin to circle x^(2)+y^(2)+4x+6y+9=0 is

The condition that the pair of tangents drawn from origin to circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angles is

The condition that the pair of tangents drawn from the origin to the circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angles is

The condition that the pair of tangents drawn from origin to circle x^(2)+y^(2)+2gx+2fy+c=0 may be at right angles is

Find the angle between the pair of tangents drawn from (1, 3) to the circle x^(2) + y^(2) - 2 x + 4y - 11 = 0

Find the angle between the pair of tangents drawn from (1, 3) to the circle x^(2) + y^(2) - 2 x + 4y - 11 = 0