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यदि A={:[(1,1,-1),(2,0,3),(3,-1,1)],B=[(...

यदि `A={:[(1,1,-1),(2,0,3),(3,-1,1)],B=[(1,3),(0,2),(-1,4)]" तथा "C=[(1,2,3,-4),(2,0,-2,1)]:}`, तो A (BC) तथा (AB) C ज्ञात कीजिए और दिखलाइए कि (AB) C=A (BC) है।

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