KcetFunctionsKCET 2017MCQ+1 / -02017Binary operation * on $R-\{-1\}$ defined by $a^* b=\frac{a}{b+1}$ isA* is neither associative not commutativeB * is associative but not commutativeC* is commutative but not commutativeD * is associative and commutativeCheck AnswerClear SelectionReveal AnswerShow Explanation
