Problem :

A =    


In the above matrix A, what are the values of the following?

a) a23
b) a24
c) a51
d) a15
e) a34
f) a14
g) a44
h) a22

a) 7
b)
c) 2
d) Does not exist
e) 45x
f) 3 g) 3y - 2
h) 3z

Problem :

+ = ?    

   

Problem :

- = ?    

   

Problem :

+ = ?    

   

Problem :

- = ?