MCQ
If $x = a t ^4 y =2 a t ^2$ then $\frac{ d y}{ d x}=$____
  • A
    $\frac{1}{t}$
  • B
    $\frac{-1}{ t }$
  • $\frac{1}{ t ^2}$
  • D
    $\frac{-1}{ t ^2}$

Answer

Correct option: C.
$\frac{1}{ t ^2}$
$\frac{1}{t^2}$

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