College Algebra Matrices
Matrix Addition
   Interactive Example 1

Definition 
.
If A = (aij)m x n and B = (bij)m x n are both m x n matrices, then
A+B = (aij + bij)m x n
A-B = (aij - bij)m x n

       

a11   
a12   
a21   
a22   
b11   
b12   
b21   
b22   


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