Step 1:
The electrostatic potential energy of a system of point charges is given by the formula:
\[U = \frac{1}{2} \sum_{i \neq j} \frac{k q_i q_j}{r_{ij}}\]
where \(k\) is Coulomb's constant, \(q_i\) and \(q_j\) are the charges, and \(r_{ij}\) is the distance
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