Equality Of Matrices
Two matrices are equal if they have the same order and the corresponding elements are identical.
Matrices P and Q are equal.
Matrices A and B are not equal because their order is different.
We can use the equality of matrices to solve for variables. Example: Given that the following matrices are equal, find the values of x, y and z .
Solution: Equate the corresponding elements and solve for the variables. x + 3 = 6 y = −1 z −3 = 4
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