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यदि A=[{:(1,2,3),(0,5,7),(6,8,9)]" तथा "...

यदि `A=[{:(1,2,3),(0,5,7),(6,8,9)]" तथा "B=[(2,0,3),(3,0,5),(5,7,0):}]` हो, तो 3A-2B का मान ज्ञात कीजिए।

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