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Christos
 3 years ago
Whats the integral of ln(x^2)
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Christos
 3 years ago
Whats the integral of ln(x^2) ?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

zzr0ck3r
 3 years 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
 3 years 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
 3 years 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
 3 years 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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