What is ∫dxx2−9\int \frac{dx}{x^2-9}∫x2−9dx?
16ln∣x−3x+3∣+C\frac{1}{6} \ln|\frac{x-3}{x+3}| + C61ln∣x+3x−3∣+C
13ln∣x−3x+3∣+C\frac{1}{3} \ln|\frac{x-3}{x+3}| + C31ln∣x+3x−3∣+C
16ln∣x+3x−3∣+C\frac{1}{6} \ln|\frac{x+3}{x-3}| + C61ln∣x−3x+3∣+C
13ln∣x2−9∣+C\frac{1}{3} \ln|x^2-9| + C31ln∣x2−9∣+C