જો $x = at^2$ અને $y = 2at$ હોય,તો $y_2$ શોધો (જ્યાં $t \neq 0$).

  • A
    $-\frac{1}{2at^3}$
  • B
    $-\frac{1}{t^2}$
  • C
    $\frac{1}{2at^2}$
  • D
    $\frac{1}{2at}$

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