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1. The problem statement, all variables and given/known data

how do i solve (or approximate if not solvable) this integral

[tex]\int\int e^{-\alpha(|\vec{r}_1-\vec{r}_2|-r_0)^2} d^3\vec{r}_1 d^3\vec{r}_2[/tex]

[tex]\alpha>0[/tex]

2. Relevant equations

none

3. The attempt at a solution

none

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Interesting integral involving modulus of difference of vectors, how to solve?

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