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Dipole and work of moving positive charge

How much work is done moving a unit positive charge form 1 point of a triangle to another in the field of a dipole p?
The triangle has the angles 45,45,90 with a base of length a. The dipole is located at the right base corner pointing in the -x direction. The positive unit charge has to be moved from the left corner to the top corner of the triangle.

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