Let * be the binary operation defined by a * b=a+b+a . b for a, b \in R where R be the set of all real numbers. Then

Correct Answer is : (R\{−1},*) is an abelian group

(R \text{\}\{-1\}, *) is an abelian group

(R \text{\}\{-1\}, *) is a group

(R \text{\}\{0\}, *) is an abelian group

(R \text{\}\{0\}, *) is a group

CUSAT 2022 BTech Solved Paper Shift 1

Question : 152 of 200

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Let * be the binary operation defined by a*b=a+b+a.b for a,b∈R where R be the set of all real numbers. Then

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