Let f(x)=x2(x5)7(x2+4)4\displaystyle {f{{\left({x}\right)}}}={\frac{{{x}^{{{2}}}{\left({x}-{5}\right)}^{{{7}}}}}{{{\left({x}^{{2}}+{4}\right)}^{{{4}}}}}}

Use logarithmic differentiation to determine the derivative.

f(x)=\displaystyle {f}'{\left({x}\right)}=