sustitución:
u = lnx
du = (1/x) dx
int 1/(xlnx) dx
= int (1/lnx)(1/x) dx
= int (1/u) du
= ln(u) + C
= ln(lnx) + C
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sustitución:
u = lnx
du = (1/x) dx
int 1/(xlnx) dx
= int (1/lnx)(1/x) dx
= int (1/u) du
= ln(u) + C
= ln(lnx) + C