Contact us
Choose a category below so we can get back to you as quickly as possible.
析:首先可以由題看出,當x,y同號時可以取得最大值(因為異號時乘積小於0).又由均值不等式得:1=x/3 y/4>=2(x/3*y/4)^(1/2),解此不等式得:xy
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.