A.3
B.4
C.5
D.6
[单选题]6,7,3,0,3,3,6,9,( )。A.5B.6C.7D.8
[单选题]-3,3,0,( ),3,6。A.3B.4C.5D.6
[单选题]-3, 3, 0, ( ), 3, 6A.3B.4C.5D.6
[单选题]-3, 3, 0, ( ), 3, 6A.3B.4C.5D.6
[主观题]6,7,3,0,3,3,6,9,5,()A.4;B.3;C.2;D.1;
[单选题]:6,7,3,0,3,3,6,9,5,( )A.4 B.3 C.2 D.1
计算下列行列式的值。(1)4 0 .-3-|||-1 2 0-|||--2 6 -14 0 .-3-|||-1 2 0-|||--2 6 -1(3)4 0 .-
[单选题]平面3x-3y-6=0的位置是:()A . 平行于xOy平面B . 平行于z轴,但不通过z轴C . 垂直于z轴D . 通过z轴
10.求下列矩阵的秩及行最简形:-|||-1 -2 -1 0 2-|||--2 4 2 6 -6-|||-(1) 2 -1 0 2 3-|||-3 3 3 3
6.求下列矩阵的特征值和特征向量:-|||-2 -1 2-|||-(1) 5 -3 3 ;-|||--1 0 -2-|||-1 2 3-|||-(2) 2 1