Determine the coefficient of x6x^6x6 in the Maclaurin series for f(x)=ln(1+x2)f(x) = \ln(1+x^2)f(x)=ln(1+x2).
−13-\frac{1}{3}−31
13\frac{1}{3}31
−16-\frac{1}{6}−61
16\frac{1}{6}61