Evaluate ∫(x2+1x2) dx\int (x^2 + \frac{1}{x^2}) \, dx∫(x2+x21)dx for x≠0x \neq 0x=0.
\frac{x^3}{3} - \frac{1}{x} + C
\frac{x^3}{3} + \frac{1}{x} + C
\frac{x^3}{3} - x^{-1} + C
\frac{x^3}{3} + \ln|x| + C