Which expression is equal to ∫5x dx\int \frac{5}{x} \, dx∫x5dx for x>0x > 0x>0?
5ln(x)+C5\ln(x) + C5ln(x)+C
5x2+C\frac{5}{x^2} + Cx25+C
5x−1+C5x^{-1} + C5x−1+C
ln(5x)+C\ln(5x) + Cln(5x)+C