IIT JAM
Krishna shukla Asked a Question
June 16, 2021 4:21 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

How to do following question atteched in the following image.....

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  • Krishna shukla
    bit there cant be contradiction in answer it should be unique then why we are getting this paradox??
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  • Krishna shukla
    sir i am getting 125 too in this wy .|1 -1 1 -1 1 | |-1 1 -1 1 -1| |1 -1 1 -1 1 |. =A |-1 1 -1 1 - 1| |1 -1 1 -1 1| Then A²= 5A and A³ = A².A= (5A)A=5A²=25A and sum of all entrie...
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    Deepak singh
    you have also write sum of all entries is 5 ( as question asked ) . Why you have multiplied 25×5 =125?
  • Krishna shukla
    sir i m getting 125 too
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    Deepak singh
    my answer is 5 .
  • Deepak singh thankyou
    Refer attachment Answer is 5
    • cropped7020652652487657853.jpg
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    Anku
    sir pls once tell what am i missing ...i was trying to use below property....i know its wrong as 1 is not there in option but pls tell what i am missing sir
    • cropped4096378236438730533.jpg
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