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`[{:(1,3),(2,7):}]` |
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Answer» माना `A=[{:(1,3),(2,7):}]` अब A = IA `rArr[{:(1,3),(2,7):}]=[{:(1,0),(0,1):}]A` `rArr[{:(1,3),(0,1):}]=[{:(1,0),(-2,1):}]A " " R_(2)toR_(2)-2R_(1)` `rArr[{:(1,0),(0,1):}]=[{:(7,-3),(-2," "1):}]A" " R_(1)toR_(1)-3R_(1)` `thereforeA^(-1)=[{:(7,-3),(-2," "1):}]` |
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