Question

Find the volume charge density associated with a field given by D = (xy²)i + (yx²)j + (z)k C/m²

Answer 1

$div \ \vec D=\rho$

$\rho=\partial (xy^2)/\partial x+\partial (yx^2)/\partial y+\partial (z)/\partial z=y^2+x^2+1$ $(C/m^3)$