Hi, I'm having this problem and I'm wondering if any of you can figure out the solution and solve it.
If your have n and it is a constant number and let g(P) is vector field calculate rotation of (P) and div(P)
g(P) = nP /r^3
then what is the rot(q) and div(q) if n is a constant vector
g(P) = n x P /r^3
Thank you in advance