MCQ
The parametric equation of the curve ${y^2} = 8x$ are
  • A
    $x = {t^2},\;y = 2t$
  • $x = 2{t^2},\;y = 4t$
  • C
    $x = 2t,\;y = 4{t^2}$
  • D
    None of these

Answer

Correct option: B.
$x = 2{t^2},\;y = 4t$
b
(b) Parametric equations of ${y^2} = 4ax$ are $x = a{t^2},\,y = 2at$

Hence if equation is ${y^2} = 8x$,

then parametric equations are $x = 2{t^2},y = 4t$.

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