Question

If the order of matrix A is 4x2 and the order of matrix B is 4x2. Then the order of matrix AXB will be
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Answer 1

Answer:

8x8= 64AxB this is your answer

Answer 2

SOLUTION

GIVEN

The order of matrix A is 4 x 2 and the order of matrix B is 2 x 4.

TO DETERMINE

The order of matrix AB

EVALUATION

The multiplication of two matrices A and B is possible and their product AB exists if

Number of columns of A = Number of rows of B

EVALUATION

Here it is given that The order of matrix A is 4 x 2 and the order of matrix B is 2 x 4.

Number of columns of A = 2

Number of rows of B = 2

∴ Number of columns of A = Number of rows of B

So AB exists

Now the order of AB is 4 × 4

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