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4 votes

\int\limits^a_b {(1)/(xln(x)) } \, dx

1 Answer

4 votes

Explanation:

Let u = ln x

du = dx/x


\int {(1)/(x \ln(x)) }\: dx = \int (du)/(u)


= \ln |u| + k

or


\int_b^a {(1)/(x \ln(x)) }\:dx= \ln |\ln|x|| _b^a


=\ln|\ln(a)| - \ln|\ln(b)|

User Jalpesh
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