Answer :
We are given that,
Order of matrix A = 3 × 2
Order of matrix B = 2 × 4
We need to find the order of matrix AB.
We know that,
Matrix A × Matrix B = Matrix AB
If order of matrix A is (m × n) and order of matrix B is (r × s), then matrices A and B can be multiplied if and only if n = r.
That is,
Number of columns in A = Number of rows in B
Also, the order of resulting matrix AB comes out to be m × s.
Applying it,
Number of columns in A = 2
Number of rows in B = 2
This means,
Matrices A and B can be multiplied, and its order will be given as:
Order of matrix AB = 3 × 4
Thus, order of matrix AB = 3 × 4
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