2797脑筋急转弯中等derivationmedium
Expected Squared Distance in the Unit Disk
题目
Two points are chosen independently and uniformly from the unit disk. What is the expected squared Euclidean distance between them?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
Two points are chosen independently and uniformly from the unit disk. What is the expected squared Euclidean distance between them?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案