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Two charges are placed on the $x$ axis, equidistant from the $y$ axis as illustrated below. The first charge, $q_1,$ is placed at the coordinates $(d,0),$ and the second charge, $q_2,$ is placed at the coordinates $(-d,0).$ What will be the expression of the net electric potential due to these charges at a point $P$ that is located at distance $x$ to the left of the origin?

A$.k(\frac{q_1}{d+|x|}+\frac{q_2}{d-|x|})$

B$.k(\frac{q_1}{d+|x|}-\frac{q_2}{d-|x|})$

c$.k(\frac{q_1}{d-|x|}+\frac{q_2}{d+|x|})$

D$.k(\frac{q_1-q_2}{d+|x|})$