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यदि A^(-1)=[(3,-1,1),(-15,6,-5),(5,-2,2)...

यदि `A^(-1)=[(3,-1,1),(-15,6,-5),(5,-2,2)]` और `B=[(1,2,-2),(-1,3,0),(0,-2,1)]` तो `(AB)^(-1)` ज्ञात कीजिए।

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