4)a) Show that V^2V=-p/80 for an electrostatic field. b) In a region, the electric potential is...

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4)a) Show that V^2V=-p/80 for an electrostatic field. b) In a region, the electric potential is given as V=xy^2z+3x^2yz^3. Calculate the charge density c) Calculate the total electric charge within a unit cube with one corner at the origin 228403682 1:22.20.000 4)a) Show that V^2V=-p/80 for an electrostatic field. b) In a region, the electric potential is given as V=xy^2z+3x^2yz^3. Calculate the charge density c) Calculate the total electric charge within a unit cube with one corner at the origin 228403682 1:22.20.000