SOLUTION: Forgive me, but I forgot to ask which of these matrices can be self-multiplied? Given matrices: A: [3] B:[2 9] C: [2 4 -3 ....-2 3 0] D: [ 3 2 ......3 2 .....

Algebra ->  Matrices-and-determiminant -> SOLUTION: Forgive me, but I forgot to ask which of these matrices can be self-multiplied? Given matrices: A: [3] B:[2 9] C: [2 4 -3 ....-2 3 0] D: [ 3 2 ......3 2 .....      Log On


   

Question 985689: Forgive me, but I forgot to ask which of these matrices can be self-multiplied?

Given matrices:
A: [3]
B:[2 9]
C: [2 4 -3
....-2 3 0]
D: [ 3 2
......3 2
......3 2]
E: [-8 -2
......0 0]
F: [ 2 3 4 5 6 7 9]
G:
[3
2
1
0
9
8
7]
Thank you in advanced for your help and time.
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!


Only square matrices can be self-multiplied,



So only A and E are square, the DOWN number and the ACROSS number are the same.



A's dimension is 1x1 and E's is 2x2.



Edwin