Question

Length of the focal chord of parabola
2y² - 4y +6x +9= 0, may be​

Answer 1

Answer:

If equation of directrix of the parabola

is

, focus is

and vertex is

then

is equal to

Answer 2

Answer:

If equation of directrix of the parabola x^2 + 4y -6x + k=0 is y + 1 = 0, focus is (a,b) and vertex is (c,d), then (k + a + c + 3b + 3d) is equal to.