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Aesteus
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Homework Statement
1st terms = -e and positive e separated by d.
2nd terms = Two units of charge e form a system of 3 point charges -e, 2e, and e (all d apart).
The next terms are formed by changing the sign of the charge and then moving by one unit length.
Homework Equations
E=q(1)q(2)/d^2
The Attempt at a Solution
The actual problem is finding the E-field of the distribution of charges. However, I can't get past the wording of how it's telling me to set up the 3rd charge distribution. What exactly is the pattern here?
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