If the focus and vertex of a parabola are the points (0, 2) and (0, 4), respectively, then find the equation

If the centre, vertex and focus of a hyperbola be (0,0), (4,0) and (6,0) respectively, then the equation of the hyperbola is

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

The equation of parabola whose vertex and focus are (0,4) and (0,2) respectively, is

Find the equation of a parabola whose focus and vertex are (0, 0) and (0, 2) respectively.

Vertex and focus of a parabola lie on x-axis and their distance from (0,0) are 's' and 'r' respectively , then find the length of LR

If quad and quad are the vertex and focus of a parabola respectively then its equation is

The equation of the parabola with vertex at (0, 0) and focus at (0, 4) is

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 (1,2) and 2x-3y+1=0 .Then the equation of the tangent at the vertex is

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