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Three electric charges of values ​​q1 = 1muc, q2 = 4muc, q3 = -2muc, are located...

Three electric charges of values ​​q1 = 1muc, q2 = 4muc, q3 = -2muc, are located at the vertices of an equilateral triangle ABC, 2 m on the side. Determine the electric potential in the center of the triangle and at the midpoint of the side AB

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