Q12. An element `e` ∈ A is defined as the identity element for a binary operation `*` on the set A if for every element `a` ∈ A:Mathematics — NUST Mock By IBAGRADS 1 — Question 12 of 200A. e * a = a * e = 0B. e * a = a * e = 1C. e * a = a * e = eD. e * a = a * e = aPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →