Consider the matrices
a =
3 1 −
1
2
2
2
3
4
...
Mathematics, 21.10.2019 18:10 joshlynn52
Consider the matrices
a =
3 1 −
1
2
2
2
3
4
and b =
1 0
0 1
0 0
a. multiply a and b or explain why you cannot.
b. would you consider b to be an identity matrix for a? why or why not?
c. would you consider = 0
0 1
or =
1 0 0
0 1 0
0 0 1
an identity matrix for a? why or why not?
Answers: 1
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