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![Let
\[
f(x)=8^{x} \log _{9}(x)
\]
\( f^{\prime}(x)=8^{x} \ln (8) \log _{9}(x)+\frac{8 x}{x \ln (9)} \) help (logarithms)](https://media.cheggcdn.com/media/ba9/ba902609-075a-4b4d-8f1e-4cad408d0fbc/php6uC5g7)
Expert Answer
The given function is .Therefore, .