Integral of Reciprocal Function over a Positive Interval

Rarely Tested

Integral of Reciprocal Function over a Positive Interval

For $$0<a<b$$:

$$\int_a^b\frac{dx}{x}=\ln\frac{b}{a}$$

Usage

- Used for definite integrals involving $$1/x$$ when the interval does not cross zero.

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