Surabhi Asked a Question
July 6, 2020 8:47 pmpts 30 pts
then its inverse is 1.10. If A = 2 3 -1 (-5 2 Civ (ii) 3
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  • Deepak singh Best Answer
    option 2 is correct, see attached
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    Deepak singh
    just use formula adj(A) / |A|
  • Arzoo
    See the attachment
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  • Ruby negi
    see the solution...for any doubt u can ask.
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  • Ruby negi
    this is the direct formula that I used.. just remember this formula.. this will always help u to find the amount of 2*2 matrix..
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  • Vishal goswami
    option 2
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