What is ∫dxx2−a2\int \frac{dx}{x^2-a^2}∫x2−a2dx?
None
12aln∣x−ax+a∣+C\frac{1}{2a} \ln|\frac{x-a}{x+a}| + C2a1ln∣x+ax−a∣+C
1aarctan(x/a)+C\frac{1}{a} \arctan(x/a) + Ca1arctan(x/a)+C
ln∣x2−a2∣+C\ln|x^2-a^2| + Cln∣x2−a2∣+C