Karthik M posted an Question
January 12, 2022 • 02:56 am 30 points
  • IIT JAM
  • Mathematics (MA)

In a determinant a of order 3, a, denotes the element in ith row and jh column. i = 1, 2, 3 and j= 1, 2, 3. if a, = a, for all i and j then the elements in prin

In a determinant A of order 3, a, denotes the element in ith row and jh column. i = 1, 2, 3 and j= 1, 2, 3. If a, = a, for all i and j then the elements in principal diagonal are necessary (A) 1 3. - 1 (B) 0 (C) (D) None of these

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    Kanika goswami 1 best-answer

    this is symmetric matrix and therefore elements of diagonal can be any real no....so option a,b,c are true

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    but answer is D

    eduncle-logo-app

    may be misprint

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