In a certain region, the electric field is given by D=2rho(z+1) cos⁡ϕ a_rho-rho(z+1) sin⁡ϕ a_ϕ+rho^2 cos⁡ϕ a_z μC/m^2 Find the charge density. Calculate the total charge enclosed by the volume 0

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increase masses, decrease separation