Standard Integral of a Difference of Squares

Rarely Tested

Standard Integral of a Difference of Squares

For:

$$a>0$$

$$\int\frac{dx}{a^2-x^2}=\frac{1}{2a}\ln\left|\frac{a+x}{a-x}\right|+C$$

Usage

- Used when the denominator is a difference of two squares.

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