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zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1what is the integral of ln(x)?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1no that's the derivative

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1hint: let u = ln(x) and let dv = 1 dx

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1try not to just give answers? we can go to wolfram for that

primeralph
 one year ago
Best ResponseYou've already chosen the best response.0@zzr0ck3r still not the final answer; but I'll take it off

Christos
 one year ago
Best ResponseYou've already chosen the best response.1xln(x) ? I still refuse to go by the answer :D

primeralph
 one year ago
Best ResponseYou've already chosen the best response.0@Christos xlnx is not the answer. Use integration by parts

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1if you are just guessing you can go to wolframalpha and get the answer

Christos
 one year ago
Best ResponseYou've already chosen the best response.1I am not guessing I though x has a power of 1 so 1 at the end and outside of ln whatever is inside

Christos
 one year ago
Best ResponseYou've already chosen the best response.1I saw it somewhere long time ago but im not sure if its correct

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1u need to do integration by parts

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1is that what you are doing in class?

Christos
 one year ago
Best ResponseYou've already chosen the best response.1What is this, can you give me an example?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1do you know what the product rule is with derivatives?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1it is like the inverse of that, it is how we undo that rule.

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1I would google it and read on it, it takes practice

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1do you know u substitution for integration?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1ok that "undoes" the chain rule, so now you need to learn by parts. there are both crucial to learning integration http://tutorial.math.lamar.edu/Classes/CalcII/IntegrationByParts.aspx

Christos
 one year ago
Best ResponseYou've already chosen the best response.1Look at this please: That's specifically what am trying to solve. http://screencast.com/t/0N48E4lhqM9

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.1e^(2*lnx) = e^ln(x^2) = x^2 so you need the integral of x^2 not ln(x^2)

Christos
 one year ago
Best ResponseYou've already chosen the best response.1I solved it now :D I know how to find this thing very easy (x^3)/3 without any actual formula
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