(-2,1)-|||-C.(0,1) D. (-infty ,-2) x (1,+infty )
[单选题]1/2,1/2,1/2,7/16,11/32,( )A.15/64B.1/4C.13/48D.1/3
设sim U(-2,1),求sim U(-2,1)的概率密度函数sim U(-2,1).设,求的概率密度函数.
通过点_(1)(1,-5,1) _(2)(2,1,-2)且与_(1)(1,-5,1) _(2)(2,1,-2)轴平行的平面方程为A._(1)(1,-5,1) _
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48