Question
Fri February 20, 2009 By:

Integration??

Expert Reply
Fri February 20, 2009

let  log x = t  ===> e t = x differentating we get  dx = x dt =  e t  dt putting in final expression we get

I =  e 3t . e t dt  =   e 4t dt  =  e 4t / 4

so we get I = e 4 log x / 4

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