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तीसरे स्तंभ के अवयवों के सहखंडो का प्रयो...

तीसरे स्तंभ के अवयवों के सहखंडो का प्रयोग करके `Delta =|{:(1,x,yz),(1,y,zx),(1,z,xy):}|` का मान ज्ञात कीजिये ।

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