Contact us
Choose a category below so we can get back to you as quickly as possible.
原式=(-1/2)*∫xd(e^(-2x))=(-1/2)*[xe^(-2x)-∫e^(-2x)dx=(-1/2)*xe^(-2x)+(1/2)*(-1/2)*e^(-2x)+c =(-1/2)*xe^(-2x)-(1/4)e^(-2x)+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.