Hi!! I'm having trouble understanding my textbook, so can someone please explain to me how they got from(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\int1/(1+x)[/tex]2 dx, with the range of the integral from 0 to x/n

to

1 - n/(x+n)

THank you So MuCh

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# U = (1 + x) and integrate

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