can anyone help me with this Derivatibe $y=(x^n)/(n!)$
2. Because $\displaystyle n!$ is constant then $\displaystyle y=\frac{x^n}{n!}\implies \frac{dy}{dx} = \frac{nx^{n-1}}{n!}=\frac{x^{n-1}}{(n-1)!}$