Integration by Parts to find integral

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SUMMARY

The discussion focuses on finding the integral of cot^(-1)(5x) using the method of integration by parts. The user initially sets u = x and dv = cot^(-1), but later determines that a more effective approach is to set u = cot^(-1)(5x) and dv = dx. This adjustment is crucial for correctly applying the integration by parts formula, which is expressed as ∫udv = uv - ∫vdu.

PREREQUISITES
  • Understanding of integration techniques, specifically integration by parts.
  • Familiarity with inverse trigonometric functions, particularly cotangent.
  • Basic differentiation skills to compute du and v.
  • Knowledge of integral notation and properties.
NEXT STEPS
  • Study the integration by parts formula in detail, including its derivation and applications.
  • Practice integrating various inverse trigonometric functions, focusing on cotangent.
  • Explore examples of integration by parts involving composite functions.
  • Review the properties and graphs of cotangent and its inverse to enhance understanding.
USEFUL FOR

Students studying calculus, particularly those focusing on integration techniques, as well as educators seeking to explain integration by parts and inverse trigonometric functions.

cummings15
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Homework Statement



find the integral of cot^(-1)of (5x)


Homework Equations



Integration by parts

The Attempt at a Solution



u = x
du = dx
dv = cot ^ (-1)
v = ?

and then i would plug into equation [uv- integral of vdu ]
 
Physics news on Phys.org
∫cot-1(5x)dx

It would be more benefical to have u=cot-1(5x) and dv=dx.
 

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