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2. Consider a system of three point-like electric charges, with charges q; and positions ; (i =
1,2,3), as follows: q₁ = +Q, F₁ = (0, 0, d); 92 = +Q, F₂ = (d, 0, 0); 93 = -Q, 73 = (0,0,0).
91
q2
(a) Calculate the monopole moment of the given system of charges.
(b) Calculate the dipole moment for m = 0.
(Hint: follow the example shown in class).

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