Question

The expression below is a Riemann Sum approximation for which of the following?
\[(1\div50)(\sqrt{1\div50}+\sqrt{2\div50}+\sqrt{3\div50}+...+\sqrt{50\div50})\]

A. \[\int\limits_{0}^{1} \sqrt{x} dx\]
B. \[\int\limits_{0}^{1} \sqrt{50\div x} dx\]
C. \[(1\div50)\int\limits_{0}^{1} \sqrt{x} dx\]