50.
In the following, find the co-ordinates of the focus, axis of the parabola, the equation of the directrix and length of the latus rectum.
It is the equation of a parabola in the standard form
and open towards the left.
Comparing with
The focus is
The equation of axis of parabola is y = 0 (x-axis).
The equation of directrix is x - a = 0 or x - 2 = 0
The length of latus rectum = 4a =
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