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

यदि ` A = [ {:(1,-1,2),(3," 0","-2"),(1," 0",3):}]` , तो सिद्ध कीजिये करे कि `A.(adj A) = |A| I ` फिर `A^(-1)` ज्ञात करे ।

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