Question

Find the derivatives of the functions. r(x)=\ln |\frac{(x+1)(x-3)}{-2x-9}|

Derivatives
ANSWERED
asked 2021-05-26
Find the derivatives of the functions. \(\displaystyle{r}{\left({x}\right)}={\ln}{\left|{\frac{{{\left({x}+{1}\right)}{\left({x}-{3}\right)}}}{{-{2}{x}-{9}}}}\right|}\)

Expert Answers (1)

2021-05-27
\(\displaystyle{r}'{\left({x}\right)}={\frac{{{1}}}{{{x}+{1}}}}+{\frac{{{1}}}{{{x}-{3}}}}-{\frac{{{2}}}{{{2}{x}+{9}}}}\)
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