# Thread: Divergence of inverse square force field

1. ## Divergence of inverse square force field

Hi,

I have been asked to find the divergence of the inverse square force field

F = (x i + yj +zk)/r^3 , where r = sqrt(x^2+y^2+z^2) is distance to point P=P(x,y,z)

I am having trouble with my differential equations

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### divergence of inverse square force

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