Finding Indefinite Integrals Practice Test

$\frac{1}{4} ln\left| \frac{x-2}{x+2} \right|+c$

$\frac{1}{4} ln\left| \frac{x+2}{x-2} \right|+c$

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$\frac{1}{8} ln\left| \frac{x-4}{x+4} \right|+c$

$\frac{1}{8} ln\left| \frac{x+4}{x-4} \right|+c$