y = 4ax সমীকরণ দ্বারা কী বুঝায় ? 

A  পরাবৃত্ত 

B  অধিবৃত্ত 

C  মূল বিন্দুগামী সরল রেখা 

D  কোনটিই নয় 

Solution

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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