The chords of contact of the pair of tangents drawn from each point on the line 2x+y=4 to the circle `x^2+y^2=1` pass through a fixed point

The chords of contact of the pair of tangents drawn from each point on the line 2x + y=4 to the circle x^2 + y^2=1 pass through the point (h,k) then 4(h+k) is

The chords of contact of the pair of tangents drawn from each point on the line 2x + y=4 to the circle x^2 + y^2=1 pass through the point (h,k) then 4(h+k) is

The chords of contact of the pair of tangents drawn from each point on the line 2x + y=4 to the circle x^2 + y^2=1 pass through the point (a,b) then 4(a+b) is

The chords of contact of the pair of tangents drawn from each point on the line 2x + y =4 to the circle x^(2) +y^(2) =1 pass through the point "___________" .

The chords of contact of the pair of tangents drawn from each point on the line 2x + y =4 to the circle x^(2) +y^(2) =1 pass through the point "___________" .

The chord of contact of the pair of tangents drawn from each point on the line 2 x+y=4 to the circle x^(2)+y^(2)=1 passes through the point

The chord of contact of the pair of tangents drawn from each point on the line 2x+y=4 to the parabola y^2=-4x passes through a fixed point : (A) (-2,1) (B) (-2,-1) (C) (1/2,1/4) (D) (-1/2,-1/4)

The chord of contact of the pair of tangents drawn from each point on the line 2x+y=4 to the parabola y^2=-4x passes through a fixed point : (A) (-2,1) (B) (-2,-1) (C) (1/2,1/4) (D) (-1/2,-1/4)

The chord of contact of the pair of tangents drawn from each point on the line 2x+y=4 to the parabola y^(2)=-4x passes through a fixed point: (A) (-2,1)(B)(-2,-1)(C)((1)/(2),(1)/(4))(D)(-(1)/(2),-(1)/(4))