Why is the integral of 1/x equal to ln(x)+C? Reddit r/calculus

Why is the integral of 1/x equal to ln(x)+C? This question is on Reddit r/calculus.
Check out how we define e^x and ln(x) being its inverse: Why is the derivative of e^x equal to...
Check out how we define ln(x) being the integral of 1/t from 1 to x and the properties of ln(x): proving ALL logarithm properties usin...
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