1
2. ग्रुप (I, *) जंहा a*b=a+b+1, का
तत्समक अबयव निम्नलिखित में से कौन
है Identity element of group (I, *)
where a*b = a+b+1 is.
O (A)-1
O (B)0
O (C)1
O (D)-2
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Answer:
D is correct one
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