Integrating e^x(x+1)lnx Using Integration by Parts

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SUMMARY

The integral \(\int e^x(x+1)\ln x \ dx\) can be effectively approached by splitting it into two separate integrals: \(\int xe^x \ln x \ dx\) and \(\int e^x \ln x \ dx\). Utilizing the integration by parts technique on each integral simplifies the problem significantly. This method allows for a clearer path to solving the original integral without the need for multiplication or complex manipulation.

PREREQUISITES
  • Understanding of integration techniques, specifically integration by parts.
  • Familiarity with exponential functions and logarithmic functions.
  • Basic knowledge of integral calculus.
  • Ability to manipulate and simplify integrals.
NEXT STEPS
  • Practice integration by parts with various functions to gain proficiency.
  • Explore the properties of exponential and logarithmic functions in integration.
  • Learn advanced techniques for solving complex integrals.
  • Review examples of splitting integrals for easier computation.
USEFUL FOR

Students and educators in calculus, mathematicians focusing on integral calculus, and anyone looking to enhance their skills in solving complex integrals using integration techniques.

BrownianMan
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[tex]\[\int e^x(x+1)\ln x \ dx \][/tex]

Not sure how to approach this. Would I have to multiply it out first?
 
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BrownianMan said:
[tex]\[\int e^x(x+1)\ln x \ dx \][/tex]

Not sure how to approach this. Would I have to multiply it out first?
For starters, I would split it into two integrals and see if integration by parts works on each one.

[tex]\[\int e^x(x+1)\ln x dx = \int xe^x~lnx~dx + \int e^x~lnx~dx[/tex]
 
Thanks! I got it.
 

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