Let A and E be matrices with the following sizes.A: 3
× 4 E: 4 × 3
If defined, determine the size of the matrix E − 2A.
(If an answer is undefined, enter UNDEFINED.)
×
If not defined, explain why.
E − 2A is defined.
E − 2A is not defined because E and 2A have different
sizes.
E − 2A is not defined because E and 2A have the same size.
E − 2A is not defined because the number of columns of E does not
equal the number of rows of 2A.
E − 2A is not defined because the number of rows of E does not
equal the number of columns of 2A.
We cannot perform E-2A then undefined
Let A and E be matrices with the following sizes.A: 3 × 4 E: 4 × 3...
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