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Integration by parts, how to find int 1/(x (ln 3)^2) dx

  • Thread starter intenzxboi
  • Start date
  • #1
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Homework Statement



int dx / (x (ln 3)^3)

can someone tell me how to start this problem whats my u and dv ??
 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
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You've got to mean dx/(x*ln(x)^3). Just do u=ln(x). That's all.
 
  • #3
98
0


opps actually problem is int dx / (x (ln x)^3)

so u = ln x
du= 1/x dx

int 1/ u^3 dx
 
  • #4
Dick
Science Advisor
Homework Helper
26,258
618


1/u^3 du. Not dx.
 
  • #5
98
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right.. thanks
 

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