![op \\ \[来自op[[[[j]p[][k][](https://www.tiangongwen.com/upload/images/2024/0222/02fd0456.jpg)
|OP|=根号(1^2+[根号电鱼号校2]^2)=根号3
2.联立y=kx和y=k/x，解得交点坐标(k,1)
|OP|=根号(k^2+1),因为k＞=1 当k=1时,OP有最小值根号2
交点坐标(1,1)
op \\ \[来自op[[[[j]p[][k][
jacky
2024-04-18 15:50
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