Medium
Let h(x)=8log5(x){h}({x})=8 \log _{5}(x)h(x)=8log5(x). Find h′(x){h}^{\prime}({x})h′(x).
8xln(5)\frac{8}{x\ln (5) }xln(5)8
8ln(5)ln(x)\frac{8 \ln (5)}{\ln (x)}ln(x)8ln(5)
8xlog5(x)\frac{8}{x \log _{5}(x)}xlog5(x)8
8x \frac{8}{x}x8
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