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यदि `A=[(1,0,2),(0,2,3),(1,2,3)]` तथा `B=[(3,1,1),(1,2,3),(0,1,2)]` हो तो `3A+6B` का मान ज्ञात कीजिए।

Answer» `3A=3[(1,0,2),(0,2,3),(1,2,3)]=[(3,0,6),(0,6,9),(3,6,9)]`
`6B=6[(3,1,1),(1,2,3),(0,1,2)]=[(18,6,6),(6,12,18),(0,6,12)]`
`3A+6B=[(3,0,6),(0,6,9),(3,6,9)]+[(18,6,6),(6,12,18),(0,6,9)]=[(21,6,12),(6,18,27),(3,12,21)]`


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