InterviewSolution
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`|(1,x,y),(1,x+y,y),(1,x,x+y)|`का मान ज्ञात कीजिए। |
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Answer» `|(1,x,y),(1,x+y,y),(1,x,x+y)|=|(1,x,y),(0,y,0),(0,0,x)|` `{:((R_(2)toR_(2)-R_(1)),(R_(3)toR_(3)-R_(1))):}` `=1|(y,0),(0,x)|=xy` |
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