的概率密度函数,则下列错误的选项是                   

的概率密度函数,则下列错误的选项是                              

A                         B

C的渐近线为                          D~

答案

C

相关题目

There was a captain who was rich but still loved money so much that he cheated
There was a captain who was rich but still loved money so much that he cheated his sailors at the end of every voyage and took their wages(工资). On the last day of one voyage, the ship was in a
党的新闻舆论媒体应当站在人民的立场,表达人民的思想和
党的新闻舆论媒体应当站在人民的立场,表达人民的思想和感情,反映人民的呼声和愿望。从文化生活角度看,做到党媒姓党要 ①大力发展文化市场和
Jack, it’s your fault. You must ____ your differences and get down to the task
Jack, it’s your fault. You must ____ your differences and get down to the task. A. put away        B. put off               C. put out                   D. put
天上的云, 真是姿态万千,变化无常。它们有的像羽毛,轻
天上的云, 真是姿态万千,变化无常。它们有的像羽毛,轻轻地飘在空中;有的像鱼鳞,一片片整整齐齐地排列着;有的像羊群,来来去去;有的像一
 China is no longer ________ a production base; it’s also one of the most im
 China is no longer ________ a production base; it’s also one of the most important consumer markets.    A. partly                         B. merely          
下列四条河流相比,结冰期最长的是(    ) A. 印度河   
下列四条河流相比,结冰期最长的是(    ) A. 印度河           B. 黄河         C. 叶尼塞河         D. 长江
2008年,中国评选出新的十大“天府”,她们分别是:成都平
2008年,中国评选出新的十大“天府”,她们分别是:成都平原、台湾嘉南平原、伊犁河谷、山东半岛、闽南丘陵、三江平原、雅鲁藏布江大拐弯地区、
(本小题满分12分) 如图,四棱锥P-ABCD的底面为矩形,侧棱PD
(本小题满分12分) 如图,四棱锥P-ABCD的底面为矩形,侧棱PD垂直于底面,PD=DC=2BC,E为棱PC上的点,且平面BDE⊥平面PBC.    (1)求证:E为PC的中点

最新题目