Integrals by parts

[dnvu]

Please help me with this problem using the "integration by parts" method.

∫2x times natural log of (3 x) dx

Appriciate it!

[arildno]

Integrate the 2x factor..

[dnvu]

thanks and appriciate it much!

[Gokul43201]

\int ln(3x)*2xdx = ln(3x) \int 2xdx - \int ({\frac {d} {dx} ln(3x) \int 2xdx})dx