Inside the cylindrical shell, 5 < < 6m, the electric flux density is given as 5(3)3aC/m2. (a) What is the volume charge density at

Inside the cylindrical shell, 5 < ρ < 6m, the electric flux density is given as 5(ρ−3)3aρC/m2. 

(a) What is the volume charge density at ρ = 6m? 

(b) What is the electric flux density at ρ = 6m? 

(c) How much electric flux leaves the closed surface: 5 < ρ < 6, 0 < φ < 2π, −4.5 < z < 4.5? 

(d) How much charge is contained within the volume 5 < ρ < 6, 0 < φ < 2pi, −4.5 < z < 4.5?