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Mathematics 46 Online
OpenStudy (anonymous):

∫[1,∞,dx/x,]=

OpenStudy (anonymous):

what's the question? it's not clear

OpenStudy (anonymous):

do you mean the integral of 1?

OpenStudy (anonymous):

Integral limit (1,∞) ∫dx/x (hint: ln1=0)

OpenStudy (anonymous):

\[\int\limits_{}^{}\lim_{1 \rightarrow \infty} dx/x\] ?

OpenStudy (anonymous):

or is it the integral from 1 to infinity?

OpenStudy (anonymous):

From 1 to infinity

OpenStudy (anonymous):

\[\lim_{R \rightarrow \infty}\int\limits_{1}^{R} 1/x dx = \lim_{R \rightarrow \infty} [\ln(x)]_{1}^{R} = \lim_{R \rightarrow \infty} \ln(R) - 0 = \infty\]

OpenStudy (anonymous):

\[\ln(\infty) = \infty\] :)

OpenStudy (anonymous):

correct me if I'm wrong. :)

OpenStudy (anonymous):

I think is OK! Thenk you!

OpenStudy (anonymous):

you're welcome :)

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