
Grade 12th passAlgebra
In image,second part in first question that ,find unit elements of u[z+zw]={+1,-1,+w,-w,+w^2,-w^2} prove it .
In image,second part in first question that ,
find unit elements of u[z+zw]={+1,-1,+w,-w,+w^2,-w^2} prove it .



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