I am a little confused here. If the integral of f'(x)/f(x)= ln|f(x)| +k then say the below equations which are the same give different results?(adsbygoogle = window.adsbygoogle || []).push({});

2/(2x+2)

The top is a derivative of the bottom, so the integral is ln|2x+2|+k

1(x+1)

This is the same as the first equation. The top is also a derivative of the bottom, so the integral is ln|x+1|+k

The two equations are the same so how could they give different integrals?

Thanks for your time

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# Integrating f'(x)/f(x)

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