Consider an insulating cylinder of length L and radius c with a non-uniform charge density of p=pr^3. Determine by showing all work an expression for A. The electric field for rb B. The potential difference between arbitrary points a and b, where both points are outside the cylinder and b>a. Integrate from the furthest point to the closest. do not use infinity as a reference point C. The potential difference between arbitrary points a and b, where a is inside and b is outside the cylinder. Integrate from the furthest point to the closest. Do not use infinity as a reference point