Posted by **Maria** on Monday, May 7, 2007 at 3:08pm.

i still need help on this...integrate (-2)/(xln^4(x) dx...should i be using substitution ...if yes then wut should i substitute? plz help me..thanks in advanced!

at is wrong with u= 1/x and dv= dx/ln^4(x) ?

remember d/dx (lnx)^-n= (-n/x)*lnx)^(n-1)

okey thank you...i got it now

## Answer this Question

## Related Questions

- calculus-integration - integrate -2/xln^4(x)...plz help me..give me an idea on ...
- calculus-integration! - should i use substitution?? if yes how should should i ...
- calc - Integrate (1/2)^(3x+2)dx using substitution.
- Calc - Use substitution to evaluate the indefinite integral: The integral of [ (...
- Alg-Substitution (check plz) - k well i had to use substitution to find the ...
- Mat 116 - substitution method 7x +9y= 19 x=25-5y ___________ 7(25-5y)+9=19 175-...
- calc - correction: 9/25(u+7)u^11 du = 9/25(u^12 + 7 u^11) du and you can easily ...
- Calculus i need help plz plz - Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? ...
- Calculus - After t hours of an 8-hour trip the distance a car travels is modeled...
- Calculus 2 - Evalute the integral of x/(x^2+4)dx using u-substitution and then ...

More Related Questions