A.6,35
B.6,37
C.5,24
D.5,26
28.求下列矩阵的逆矩阵:-|||-(1) 5 2 0 0 2 1 0 0 0 0 8 3 0 0 5 2 -|||-(2) 0 0 1/5 2 1 0 4
17.设A= 1 4 2 0 () -3 4 0 4 3 求A^100
2、设 D= -1 2 5 -3 2 4 6 8 5 2 8 3 5 6 4 3 求
[单选题]0, 1, 0, 5, 8, 17, ( )A.19 B.24 C.26 D.34
已知行列式1 2 3 4 4-|||-2 3-|||--1 0 2 1-|||-3 5 4 2-|||-0 0 2 3,求1 2 3 4 4-|||-2 3-|
8. 9-|||-7. 4. 1-|||-温 5 5 1 4. 7. 9.-|||-9 6 2 |1 |5 5 3 9-|||-|1 4 7 8 5 2-|||
[主观题]a=[1,2,4,2,4,5,7,10,5,5,7,8,9,0,3],编程用sort进行排序,然后从最后一个元素开始判断?
已知矩阵1 2 -1 1-|||-A= 3 8 0 2-|||--1 0 4 __-2-|||-__,1 2 -1 1-|||-A= 3 8 0 2-|||--
设(5)-1 3-|||-4= 0 -2 0-|||-0 7 -1,(5)-1 3-|||-4= 0 -2 0-|||-0 7 -1,(5)-1 3-|||-4
计算5阶行列式-|||-0 2 3 4 5-|||-1 1 3 4 5-|||-1 2 2 4 5 = __-|||-1 2 3 3 5-|||-1 2 3 4