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Mathematics
Mathematics
Problem
Matrix
A
A
A
is of order
2
×
3
2\times3
2
×
3
and matrix
B
B
B
is of order
3
×
4
3\times4
3
×
4
. (i) Find the order of the product
A
B
AB
A
B
. (ii) How many elements does the matrix
A
B
AB
A
B
contain?
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