Three point charges, each of charge q are placed on vertices of a triangle ABC, with AB = AC =5 L, BC =6 L. The electrostatic potential at midpoint…

Three point charges, each of charge $\displaystyle \mathrm{q}$ are placed on vertices of a triangle ABC , with $\displaystyle \mathrm{AB}=\mathrm{AC}=5 \mathrm{~L}, \mathrm{BC}=6 \mathrm{~L}$. The electrostatic potential at midpoint of side $\displaystyle B C$ will be