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यदि `[{:((2)/(3),1,(5)/(3)),((1)/(3),(2)/(3),(4)/(3)),((7)/(3),2,(2)/(3)):}]` तथा `B=[{:((2)/(5),(3)/(5),1),((1)/(5),(2)/(5),(4)/(5)),((7)/(5),(6)/(5),(2)/(5)):}]` तो 3A - 5B परिकलित कीजिए ।

Answer» `3A-5B=3[{:((2)/(3),1,(5)/(3)),((1)/(3),(2)/(3),(4)/(3)),((7)/(3),2,(2)/(3)):}]-5[{:((2)/(5),(3)/(5),1),((1)/(5),(2)/(5),(4)/(5)),((7)/(5),(6)/(5),(2)/(5)):}]`
`=[{:(2,3,5),(1,2,4),(7,6,2):}]-[{:(2,3,5),(1,2,4),(7,6,2):}]=[{:(0,0,0),(0,0,0),(0,0,0):}]`


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