Determine the charge density due to each of the following electric flux densities: a) D=8xy ax+4x2ay C/m2 b) D=x sin yax+2x cos y ay+2z2az C/m2 c)                2cosy              sin y            D =-----------ax + --------- ay C/m2                        x3                      x3

Determine the charge density due to each of the following electric flux densities:
a) D=8xy a_x+4x²a_y C/m²
b) D=x sin ya_x+2x cos y a_y+2z²a_z C/m²

c)                2cosy              sin y
           D =-----------a_x + --------- a_y C/m²
                       x³                      x³