Which expression is the correct indefinite integral for ∫1xdx\int \frac{1}{x} dx∫x1dx where x>0x > 0x>0?
ln(x)+C\ln(x) + Cln(x)+C
x0+Cx^0 + Cx0+C
ex+Ce^x + Cex+C
1x2+C\frac{1}{x^2} + Cx21+C