F=[tex]\frac{q1q2}{4\pi\epsilon_{0}}[/tex](adsbygoogle = window.adsbygoogle || []).push({});

If epsilon 0 was defined as the proportionality constant for this equation, why was 4 pi not included in Eo? Why does there have to be a 4pi in the equation, instead of just having Eo equal its current value times 4pi?

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# Definition of Eo (Coulomb's law)

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