# Rearranging equations

I has been too long since I worked with detailed equations. I need to find out what (a) would be in the attached formula.

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#### Solution Summary

This shows how to rearrange complex equations to solve for a given variable.

Rearranging equations for two particles

The magnitude (size) of the force,

, between two charged particles a distance

apart is given by the equation below. Ke is a constant.

Rearrange this equation to make Ke the subject.

F = Ke Q1 Q2

r2

The answer should not include any brackets and should use super/sub script where necessary.

There should be a division line between the top and bottom line of the equation to the right of the = sign and the numbers following Both Q's should be subscript.But the number 2 following the r is superscript

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