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InterviewSolution
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आव्यूह `[{:(2,3),(5,7):}]` का व्युत्क्रम आव्यूह होगा - |
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Answer» मान `A=[{:(2,3),(5,7):}]` हम जानते हैं कि `A A^(-1)=I` `[{:(2,3),(5,7):}]A^(-1)=[{:(1,0),(0,1):}]` `rArr[{:(1,(3)/(2)),(5,7):}]A^(-1)=[{:((1)/(2),0),(0,1):}] " " R_(1)to(1)/(2)R_(1)` `rArr[{:(1,(3)/(2)),(0,(-1)/(2)):}]A^(_1)=[{:((1)/(2),0),((-5)/(2),1):}] " " R_(2)toR_(2)-5R_(1)` `rArr[{:(1,(3)/(2)),(0,1):}]A^(_1)=[{:((1)/(2),0),(5,-2):}] " " R_(2)to-2R_(2)` `rArr[{:(1,0),(0,1):}]A^(-1)=[{:(-7," "3),(5,-2):}] " " R_(1)toR_(1)-(3)/(2)R_(2)` `rArrA^(-1)=[{:(-7," "3),(5,-2):}]`. |
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