Anku Asked a Question
September 11, 2020 4:09 pmpts 30 pts
please exxplain encircled part...i am not understanding how (-1)(-1) is comming
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  • Piyush Best Answer
    Attachment 2
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  • Piyush thankyou
    PFA.
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    Piyush
    Hope you get it.
  • Piyush
    Any Doubt then you can ask.
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