Derivative of xcos(logx) | Product and Chain Rule Method

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SUMMARY

The derivative of the function xcos(log(x)) is calculated using the product rule and the chain rule. The correct derivative is cos(log(x)) - sin(log(x)). This conclusion is confirmed by multiple participants in the discussion, affirming the accuracy of the solution provided.

PREREQUISITES
  • Understanding of calculus concepts, specifically derivatives
  • Familiarity with the product rule for differentiation
  • Knowledge of the chain rule for differentiation
  • Basic understanding of logarithmic functions
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  • Study the application of the product rule in more complex functions
  • Explore the chain rule in detail with various examples
  • Practice differentiating logarithmic functions
  • Review advanced calculus topics such as implicit differentiation
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Students studying calculus, mathematics educators, and anyone looking to strengthen their understanding of differentiation techniques.

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Homework Statement


I want to work out the derivative of xcos(log(x))


Homework Equations





The Attempt at a Solution



By using the product rule: and the chain rule;

cos(logx) - xsin(logx).1/x = cos(log(x)) - sin(log(x))

Is this right?
 
Physics news on Phys.org
looks right
 
buzzmath said:
looks right

Thankyou
 

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