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Let S=Q-(1) and is defined in S as a ** ...

Let S=Q-(1) and is defined in S as `a ** b =a+b-ab` for all `a,b, in G`. Verify existence of identity .

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PREMIERS PUBLISHERS-MODEL QUESTION PAPER -1-Part -IV
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  13. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  14. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  17. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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