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**1. Homework Statement**

Hey folks,

I need to find a Green function for the equation:

y'' +1/4y = f(x)

With boundary conditions y(0)=y(pi) = 0

**3. The Attempt at a Solution**

I tried some combination of solutions that look like sin(kx) and sin(k-pi)

and looked at the strum liouville equation too and meassed with a Wronkskian.

I was just wandering if there was an easier way to do this?