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Question

If a matrix Ais of order 3×2 and matrix B is of order 2×2 then the matrix AB is of order?


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Solution

Solve for order of matrix AB

We know that,Order of matrix is Number of rows × Number of columns.

Given,

Order of matrix Ais 3×2

Order of matrix B is 2×2

Order of matrix AB=Number of rows of A×Number of columns of B

=3×2

Hence, matrix AB is of order 3×2.


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