[SOLVED] Divergence, nabla 1. The problem statement, all variables and given/known data Given the vector, find the dot product. 2. Relevant equations dot product of nabla and the vector is just partial derivative of each component. 3. The attempt at a solution I'm trying to figure out if I can just leave out the denominator, since it is a scalar (the magnitude of vector r). The answer, however, is 2/r , so I'm starting to think it's gonna be necessary to change to plane polar coordinates.