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Vijay posted an Question
January 23, 2021 • 13:51 pm 30 points
  • IIT JAM
  • Mathematics (MA)

My answer doesn't match please tell me why?

please send the solution to the problem given in the attachment.

2 Answer(s) Answer Now
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  • 7 Comments
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  • comment-profile-img>
    Satpal singh

    yes if u interchange any two rows or two columns a negative sign will come

  • comment-profile-img>
    Satpal singh Best Answer

    see this attachment

    cropped5091926509611788711.jpg
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    I didn't know that that is helpful to me, thank you Satpal sir for showing rigorously.

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    if ur doubt is cleared that is enough for me

  • comment-profile-img>
    Satpal singh best-answer

    here you have to perform 3 operations to make given matrix as a diagonal matrix

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    Satpal singh

    if we interchange a row or column negative sign comes in the finding of determinant

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    but I am interchanging columns with columns?

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