Question

Parametric co-ordinates of any point on the parabola y²=4ax can be :
a.) (-at²,-2at)
b.) (-at²,2at)
c.) (a.sin²t, -2a.sin²t)
d.) (a.sin t, -2a.cos t)

The answer is c.)

Explanation?

Answer 1

Answer:

Put co-ordinates of option C in parabola. They are satisfy the equation.

=> in general parametric coordinates of given parabola is

$(a {t}^{2} </strong><strong>,</strong><strong> 2at)$

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