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Homework Help: Find d^2 y/ d^2 x need help

  1. Jun 8, 2008 #1
    1. The problem statement, all variables and given/known data

    Find the d^2 y /d^2 x for y= 3t^3+4t and x=6t^4+7t

    I just made one up similiar to what my teacher gave to do

    3. The attempt at a solution

    Dont know how to do it, i know i need 2nd derivatives but what then help i need please
  2. jcsd
  3. Jun 8, 2008 #2
    Well first off find [tex] \frac{dy}{dt} [/tex] and [tex] \frac{dx}{dt} [/tex] and then try go at it from there. Use your knowledge of parametric differentiation.
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