Drawing the field lines due to a dipole

How to draw the field lines due to a dipole?

 field lines due to a dipole
figure 1: field lines due to a dipole

Fig. 1 depicts the field lines due to a dipole.

For a dipole, field lines start from the positive charge and terminate on the negative charge.

The number of lines leaving the positive charge is equal to the number of lines terminating on the negative charge.

A tangent at any point on field line gives the direction of electric field at that point.

Two field lines never cross each other.

Drawing the field lines due to a dipole
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