find the identity element of the binary operation * defined on A= Q - by the rule a*b = a - b + ab for all a,b A . Hence find the invertible elements of A.
I was trying to post a question on Ask the Expert feature on the site of topper learning to get a complete solution and to see my earlier questions posted there but I regret to inform that the feature is again not working and I am not able to post my questions nor view my earlier questions.
Pls take up the matter at your end with the technical team so that I can post questions and get complete answers
Here is your solution.
Regarding the Ask the Expert. I will surely forward your query to our tech team. Thank you informing us about the issue. And really sorry for the inconvenience. You have really been cooperative.
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