Question
Two matrices and have in total different elements (none repeated). How many different matrices and are possible such that product is defined.
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Text solutionVerified
Let be the order of first matrix then order of second matrix should be
Also given
If
If
No. of solutions
If
But
If
No. of solutions
Total
Also the elements can be rearranged in ways.
Required
Hence, the answer is
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Question Text | Two matrices and have in total different elements (none repeated). How many different matrices and are possible such that product is defined. |
Answer Type | Text solution:1 |
Upvotes | 150 |