来自葛江华的问题
【已知x,y属于R,满足2≤y≤4-x,x≥1,则x^2+y^2+2x-2y+2/xy-x+y-1的最大值(x^2+y^2+2x-2y+2)/(xy-x+y-1)】
已知x,y属于R,满足2≤y≤4-x,x≥1,则x^2+y^2+2x-2y+2/xy-x+y-1的最大值
(x^2+y^2+2x-2y+2)/(xy-x+y-1)
1回答
2020-04-14 23:05