11. Let A = {1, 2, 5, 6), 7). Which of the following statements are not true and...

October 2021 0 11 Report

11. Let A = {1, 2, 5, 6), 7). Which of the following statements are not true and why? (1) {1, 2} E A (ii) {1, 2, 7) CA (iii) {5. 6) CA (iv) {φ} C A