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

User Kleopatra
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2 Answers

5 votes
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 ;
User Ngeek
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7.3k points
2 votes
x ln x - x + c

is the integral
User Paul Evans
by
7.1k points
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