Q80. If a, b, c ∈ G, where G is a group, and ba = ca, then which of the following is necessarily true?Mathematics — Sets, Functions and Groups — Question 80 of 232A. b = cB. ab = acC. a-1b = ca-1D. a = e, where e is the identity elementPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →