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## Main Question or Discussion Point

**one-dimensional Schrodinger's Equation**

Hi !

I wonder how to solve one-dimensional Schrodinger's Equation :

[tex] \frac{d^2 \psi (x)}{dx^2}\ = \ -(\frac{2 \pi}{\lambda})^2 \ * \ \psi (x) [/tex]

I've to obtain [tex]\psi (x) [/tex] , when

[tex]-(\frac{2 \pi}{\lambda})^2 [/tex] is known

Can you solve it as an example, when [tex]-(\frac{2 \pi}{\lambda})^2 = 2 [/tex] ? Please...

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