Mathematics 9 (Complete Solutions)

Q1
Which of the following matrices are conformable for addition?

A =
 
2 1
-1 3
 
B =
 
3
1
 
C =
 
1 0
2 -1
1 -2
 
D =
 
2+1
  3
 
E =
 
-1 0
1 2
 
F =
 
3 2
1+1 -4
3+2 2+1
 



Answer
A and E, B and D, C and F.

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