Which expression is equivalent to ∫x−1dx\int x^{-1} dx∫x−1dx for x>0x > 0x>0?
x00+C\frac{x^0}{0} + C0x0+C
ln∣x∣+C\ln|x| + Cln∣x∣+C
ex+Ce^x + Cex+C
12x2+C\frac{1}{2}x^2 + C21x2+C