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devansh devansh
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4 years ago
please solve the above ques. as soon as possible
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4 years ago
Hi devansh

You didn't include the entire question.

Is this the same question?



There are n! permutation matrices of n size. So if we're dealing with a 3by3 matrix, then there are 3! = 3*2*1 = 6 possibilities


Source  https://books.google.ca/books?id=z2hOMmPISNoC&pg=PA123&lpg=PA123&dq=%22A+square+matrix+P+is+called+a+permutation+matrix+if+each+row+and+column%22&source=bl&ots=7Dvhb1baq5&sig=ACfU3U3_NcNJRcZmzYzbZ7eMPgvag1ZHnQ&hl=en&sa=X&ved=2ahUKEwjCmbG3l5PwAhVNhq0KHeujBpMQ6AEwAnoECAEQAw#v=onepage&q=%22A%20square%20matrix%20P%20is%20called%20a%20permutation%
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