Kavish Aijaz Ansari posted an Question
January 16, 2021 • 05:06 am 30 points
  • IIT JAM
  • Mathematics (MA)

How to find the number of element in s?

6 Let S = A:A =[a,l5.5. a=0 or 1, Vi, ji,a =1, Vi anda =1, Vj{ Then, the number of elements in S is (B) 55 (A) 52 (D) 55 (C) 5!

1 Answer(s) Answer Now
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  • Anonymous User

    it means in each row only one place has 1 and other remaining 4 place will have 0 . so that row sum will be 1.

  • Anonymous User Best Answer

    option c is correct

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    since sum of each row and each column of matrix is 1

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    it means in each row only one place has 1 and other remaining 4 place will have 0 . so that row sum will be 1.

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    It means this is a Permutation matrix.

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    yes

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    any other Doubt in this

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