Contact us
Choose a category below so we can get back to you as quickly as possible.
另lnx=t,x=e^t ∫lnx²;dx =∫2lnxdx =2∫lnxdx =2∫xlnxdlnx =2∫(e^t)·tdt =2∫td(e^t) =2[(e^t)·t-∫(e^t)dt] =2[(e^t)·t-(e^t)]+C =2(e^t)·(t-1)+C =2x(lnx-1)+C
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.