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Sagot :
From the question, we are given the matrices
We are to find which operation is defined and whic one is not
For the operation
[tex]M-N[/tex]For subtraction operation to be definded
The order of the matrices must be the same
Since the order of M is 4 x 2
And the order of N is 4 x 2
Therefore, the operation M - N is defined
For the operation
[tex]L-N[/tex]Similarly, for the operation to be definded
The order of the matrices must be the same
The oder of matrix L is 2 x 2 while the order of matrix N is 4 x 2
Since the oder of the matrices are not the same then
The operation L - N is not defined
For the operation
[tex]M+P[/tex]For addition operation to be defined, the Order of the matrices must be the same
The order of matrix M is 4 x 2 while the order of matrix P is 2 x 2
Since the order of the matrices are not the same then the operation is not defined
For the operation
[tex]Q+P[/tex]For addition operation to be defined, the Order of the matrices must be the same
The order of matrix Q is 2 x 1 while the order of matrix P is 2 x 2
Since the order of the matrices are not the same then the operation is not defined
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