Mathematics 9 (Complete Solutions)

Q1
From the following matrices, identify unit matrices, row matrices, column matrices and null matrices.

A =
 
0 0
0 0
 
B =
 
2 3 4
 
C =
 
4
0
6
 
D =
 
1 0
0 1
 
E =
 
0
 
F =
 
5
6
7
 
Answer
A      null matrix B      row matrix      column matrix
D      unit or Identity matrix E      null matrix      column matrix

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