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Use logarithmic differentiation to find dy/dx

Use logarithmic differentiation to find dy/dx-example-1
User Moshiur Rahman
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1 Answer

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26 votes

Answer:

Hello,

Explanation:

Let's say:


y=x^(cotg(x))\\\\ln(y)=cotg(x)*ln(x)\\\\\\(y')/(y)=(-1)/(sin^2(x)) *ln(x)+(cotg(x))/(x) \\\\\\y'=-(x^(cotg(x))*ln(x))/(sin^2(x)) +cotg(x)*x^(cotg(x)-1)\\

User Shlomi Assaf
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