Suppose <img src="https://static.zxtiku.com/wangke/imgs/topic/fcda22eab99b8d8810e423c09acd0505.png"/> and <img src="https://static.pphuashu.com/wangke/imgs/topic/307ccad3d174536e154a729eb246da06.png.png"/> are independent random variables. Let <img src="https://static.zxtiku.com/wangke/imgs/topic/8fdc27f4d92c05e6a608a09c49753e30.png"/> and <img src="https://static.zxtiku.com/wangke/imgs/topic/895e19d77bd1bf6cc38b7b168c83de44.png"/>, then <img src="https://static.zxtiku.com/wangke/imgs/topic/05ca70fea2dbf382e13c00d9d5251e18.png"/> and <img src="https://static.zxtiku.com/wangke/imgs/topic/3bde881fd995a5e53e19386653e0dd0d.png"/> can not be independent.