# Spherical coordinates and electrical charge

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An electric charge is distributed throughout 3-space with density inversely proportional to the distance from the origin. Show that the total charge inside a sphere of radius R is proportional to R^2.

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#### Solution Preview

Please see the attached file.

The density of the charge is given as: , ...

#### Solution Summary

This finds the ttoal charge inside a sphere with a proportional radius.

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