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दी गयी मैट्रिक्सA=[[3,0,7,8],[2,-2,9,5],...

दी गयी मैट्रिक्स`A=[[3,0,7,8],[2,-2,9,5],[1,-7,4,6]]` का क्रम लिखिये तथा अवयवों `a_(31),a_(32) तथा a_(34)`के मान ज्ञात कीजिये और सत्यापित कीजिये कि
`a_(21) +a_(31) = a_(11) `तथा `a_(14)+ a_(34) = 2 xx a_(13)`

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