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  1. C

    Need help on this differential equation

    o ok thxs the wolfan alpha thing said it was when i typed it in. It also gave somthing different
  2. C

    Need help on this differential equation

    i forgot how you do a differential equation, i have the solutions. I want to know how you do the dΨ/dx i thought it would just be dΨ/dx= -A/ke-kx Its been a long summer lol
  3. C

    Need help on this differential equation

    Homework Statement Well this is a physics problem, need find the potential function Homework Equations \Psi =Axe-kx A and k are constants I need to find d2 \Psi/dx2 The Attempt at a Solution I thought u would just take the derivative two times but just d\Psi/dx = Ae-kx-kAxe-kx...
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