Recent content by Sara_76

  1. Sara_76

    B Solve a second-order differential equation

    for −1/adΨ(y)/dx It's a mistake in writing (It's y, not x )
  2. Sara_76

    B Solve a second-order differential equation

    welcome I want to know how to solve
  3. Sara_76

    B Solve a second-order differential equation

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