Ppppplop Ppppplop
  • 17-03-2015
  • Mathematics
contestada

How do I take the integral of ln(x) dx?

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sugarmate
sugarmate sugarmate
  • 17-03-2015
x ln x  - x  + c

is the integral
Answer Link
crisforp
crisforp crisforp
  • 17-03-2015
xlnx - x + c is the integral because ( xlnx - x + c )' = ( xlnx )' - x' + c' = ( x' )lnx +
x(lnx)'- 1 + 0 = 1lnx + x( 1 / x ) - 1 = lnx + 1 - 1 = lnx ;
Answer Link

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