IIT JAM
Surabhi Asked a Question
July 6, 2020 8:47 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

Then its inverse is 1.10. if a = 2 3 -1 (-5 2 civ (ii) 3 please provide with solution and options

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
    • cropped2847131013557016192.jpg
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    Deepak singh
    just use formula adj(A) / |A|
  • Arzoo
    See the attachment
    • cropped1046866641956033202.jpg
    Likes(0) Reply(0)
  • Ruby negi
    see the solution...for any doubt u can ask.
    • cropped-1679060503.jpg
    Likes(1) Reply(0)
  • 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..
    • cropped-1194462931.jpg
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  • Vishal goswami
    option 2
    • cropped4175793861240691530.jpg
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