The focus and directrix of a parabola are `(1,2)` and `2x-3y+1=0` .Then the equation of the tangent at the vertex is

The focus and directrix of a parabola are (1,-1) and x+y+3=0. Its vertex is

The directrix and focus of a parabola are x+2y+10=0 and (2,1) respectively then the equation of the tangent at the vertex is ax +by+c= 0 . The area of the triangle formed by the line ax+by+c=0 with the coordinate axes is.

Find the vertex, focus and directrix of the parabola x^(2)=2(2x+y) .

Find the vertex, focus and directrix of the parabola x^(2)=2(2x+y) .

Find the vertex,focus and directrix of the parabola 4y^(2)+12x-12y+39=0

vertex and focus of a parabola are (-1,1) and (2,3) respectively.find the equation of the directrix.

Find the vertex, focus and directrix of the parabola x^(2) + 4x + 2y -7 = 0 .

If the focus of the parabola is (-2,1) and the directrix has the equation x+y=3 then the vertex is

If focus and vertex of a parabola are respectively (1,-1) and (2,1), then its directrix is

the tangent to a parabola are x-y=0 and x+y=0 If the focus of the parabola is F(2,3) then the equation of tangent at vertex is