y = 4ax সমীকরণ দ্বারা কী বুঝায় ?
Correct Answer: Option D
The simplest equation for a parabola is y = x2
Turned on its side it becomes y2 = x
(or y = √x for just the top half)
A little more generally:y2 = 4ax
where a is the distance from the origin to the focus (and also from the origin to directrix)
so, y=4ax is meaning nothing.
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