The potential energy of a particle changes with distance x from a fixed origin as V=(A √ x)/(x+B), where A and B are constant with appropriate…

The potential energy of a particle changes with distance $\displaystyle x$ from a fixed origin as $\displaystyle V=\frac{A \sqrt{x}}{x+B}$, where $\displaystyle A$ and $\displaystyle B$ are constant with appropriate dimensions. The dimensions of $\displaystyle A B$ are $\displaystyle \_\_\_\_$.