Recent content by fittipaldi

  1. F

    Find Closed Form of Differential Equation: y''' - y = 0

    That is true, but I cannot seem to understand how to continue ... a bigger tip maybe? Also noticed that, the only difference is the coefficient. C*e^x is also one of the solutions to the given equation, how does this help?
  2. F

    Find Closed Form of Differential Equation: y''' - y = 0

    Hi, everyone, I need some help with the following: Homework Statement Given is, that the following power series: \sum_{n=0}^{\infty} \frac{x^{3n}}{(3n)!} is the solution to the following differential equation: y''' - y = 0. Find the closed form of the series. Homework Equations...
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