Question: calculus physical application: The electrostatic potential at A arising from a dipole of unit strength at 0, oriented in the direction of the unit vector

calculus physical application:

The electrostatic potential at A arising from a dipole of unit strength

The electrostatic potential at A arising from a dipole of unit strength at 0, oriented in the direction of the unit vector n, is, in polar coordinates, V(r, 8) = (cose/r), where r = ||A|| and 0 is the angle between n and A (see Figure 1). Find the divergence of the corresponding electrostatic field E. 0 Fig. 1

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