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## Please solve the below question

Asked by akshitaasia 2nd January 2018 6:56 PM

## Show that the binary operation * on A = R – {-1} defined as a*b = a + b + ab for all a,b belongs to A is commutative and associative on A. also find the identity element of  * in A and prove that every element of A in invertible mention each and every formula and minute details

Asked by haroonrashidgkp 7th June 2018 11:03 AM

## Given below is the table corresponding to some binary operation a * b on a set S={0,1,2,3,4,5}. What is 5 -1 from this operation?   * 0 1 2 3 4 5 0 0 1 2 3 4  5 1 1 2 3 4 5 0 2 2 3 4 5 0 1 3 3 4 5 0 1 2 4 4 5 0 1 2 3 5 5 0 1 2 3 4    2  1  4  5

Asked by jay7venture 14th September 2018 8:57 PM

## Is the binary operation defined on set N, given a*b=a+b/2  is coomutative or associative

Asked by niharikapabba2605 12th October 2018 1:48 PM